What questions and answers should primary school parents pay attention to?
Parents of primary school students should pay attention to the following issues: ** 1. Child's safety ** 1. ** Daily Safety Education ** - To establish a good communication channel with the child, take the initiative to talk to the child about how to deal with strangers, find a safe place, tell the parents where to play, etc., to enhance the child's safety awareness. - Teach children to recognize danger, such as "don't go with strangers" and "don't open the door". They can also learn to deal with emergencies in a relaxed atmosphere through role-playing games. 2. ** Family Guardians ** - Pay close attention to the child's activities in daily life, such as holding the child's hand tightly in the park or crowded places, and let the child wear eye-catching clothes when going out so that they can be found easily. - You can use technology such as a child's GPS watch or mobile phone app to protect your child. When the child walks away, you can find them through the GPS function. 3. ** Dealing with missing children ** - In case the child is lost, parents should keep calm, quickly recall the place and time of the child's last appearance and go to look for it. At the same time, contact the police in time and provide detailed information. They can also use social media to post information to expand the search. ** 2. Child's learning ** 1. ** Concentration problems (more obvious in the lower grades of Grade 1 - 3)** - These problems, such as small movements in class, being active, playing with erasers, many typos, being stunned during homework, sitting poorly, copying slowly, dawdling, reading and jumping words, etc., were mostly caused by the child's learning ability not being systematically trained. - For example, poor visual memory could lead to typos caused by visual discrimination, and visual perception could cause slow homework. For the training of visual memory ability, it can be done through family games, such as letting the child look at the items on the coffee table or desk and remember them, then turn around and repeat them. According to the child's situation, increase the number of items or ask for details (color, shape, words on the items, etc.). It also allowed parents to learn professional training to learn the knowledge of receiving ability. They could search for relevant video materials on the Internet and refer to the special training courses of Green Bean Online School. 2. ** Comprehensive Learning Guidance ** - ** Cultivate self-confidence **: Help the child build self-confidence, encourage the child to listen carefully, complete homework on time, actively speak in class, participate in school activities, and show talent. Don't label the child with labels such as "stupid, lazy, and lack of talent." - ** Broadening horizons **: Create an environment for the child to broaden their horizons. Take the child out for a walk, dabble in astronomy, geography, history, culture, science, technology, society, and other aspects of knowledge to stimulate learning motivation and fun. However, there must be a choice and purpose to guide the child's all-round development. Don't let the child overly interact with mobile phones and games or be obsessed with a single interest. - ** Respect teachers **: Guide the child to have the mentality of respecting teachers. This will help to develop the habit of listening carefully, speaking actively, obeying classroom discipline, completing homework, and the ability to listen carefully and express accurately. - ** Standard writing **: Urge the child to write neatly. You can apply for a calligraphy training class to cultivate good writing habits, sitting posture, standing posture, and the habit of keeping the surrounding environment clean. - ** Read aloud **: Let the child have time to read aloud during Chinese and English learning, because reading aloud can deepen memory and cultivate language sense better than silent reading. - ** Concept of time **: Let the child abide by the time of study, rest, wake up, eat, etc. The agreed things must be prepared in advance. Don't easily change the time arrangement and don't delay things. Read more exciting novels for free
What questions and answers should I pay attention to when reading English in primary school?
In primary school English reading, there were the following precautions: 1. ** Reading habits ** - To avoid reading aloud, you should read silently, which can speed up reading and help you understand the content. - Reduce unnecessary movements, such as pointing at words with a finger or pen tip, shaking your head, and other movements that will distract your attention, because these movements are slower than the speed of vision. - Don't read carefully word by word. This method will destroy the cohesiveness of the reading and affect the grasp of the main meaning of the article. - Rereading the words or sentences that he had just read could solve individual puzzles, but it would affect his reading speed and overall understanding of the article. - He had to pay attention to the " surface " and not just the " point ". He couldn't just focus on the meaning of the words and ignore the overall meaning of the paragraph and the article. He had to have the overall concept of space from the vocabulary to the sentence to the paragraph. - To avoid reading with the dictionary, you can't look up the dictionary every time you encounter a new word. You have to develop the habit of guessing the meaning of the new word according to the context. - When reading, you must concentrate and avoid multitasking. This is to prevent the result of turning a blind eye, wasting time and reducing the reading effect. 2. ** In terms of answering questions ** - Reading comprehension questions in primary school were usually relatively simple, and most of the answers could be found directly in the essay. Don't panic when you see the essay. Read it carefully, look for it carefully, compare the options with the original text, and choose the answer that matches the original text. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Primary school students 24-point calculation questions 100 questions with answers
The following are some of the 24-point calculation questions and answers: 1. 1、1、1、8：(1+1+1)*8 = 24 2. 1、1、2、6：(1+1+2)*6 = 24 3. 1、1、2、7：(1+2)*(1+7)=24 4. 1、1、2、8：(1*1+2)*8 = 24 5. 1、1、2、9：(1+2)*(9 - 1)=24 6. 1、1、2、10：(1+1)*(2+10)=24 7. 1, 1, 3, 4: 8. 1、2、5、10：(10÷2)*5 - 1 = 24 9. 2, 7, 8, 10: 10. 4, 8, 2, 10: 11. 7、6、10、3：1. 10 - 3 = 7，7*3 = 21，21+6 = 24 12. 10, 3, 8, 8 (Requires calculation) 13. 3、4、5、7：1. 7*3 = 21，21+7 = 28，28 - 4 = 24 14. 1、1、5、6：(5 - 1)*1*6 = 24;5×(6 - 1)-1 = 24 15. 3、9、9、9：3×(9 - 9÷9)=24;9 - 3+9+9 = 24;(9×9 - 9)÷3 = 24 16. 5、7、7、10：(7 - 5)*7+10 = 24 17. 2、3、5、12：12÷(3 - 5÷2)=24 However, only these questions were provided, and there was still a gap from 100 questions. If you need more questions, it is recommended to search for more comprehensive content through the search engine "24-point calculation questions with 100 answers". <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reading questions and answers in the sixth grade of primary school
The following are some of the reading questions and answers for the first volume of the sixth grade: ** 1. Prairie related reading questions and answers ** 1. ** Source and Author **: This passage was taken from Lao She's Prairie. 2. [The characteristics of the grassland and the sentences that reflect it]: The characteristics of the grassland are written. The sentence that best highlights this characteristic is: "In the world, a thousand miles of green is not boundless." There are hills on all sides. The flat ground is green, and the hills are also green." 3. ** Sentence type and reference content **: draw " "was a metaphor. In the sentence," boundless green carpet "referred to the grassland, and" white flowers "referred to the sheep. 4. ** Sentences and benefits of directly writing about scenery and feelings **: Sentences that directly write about grassland scenery are like,"The sky there is lovelier than anywhere else, the air is so fresh, the sky is so bright, in the world, a thousand miles of green, but not boundless." There were hills on all sides. The flat ground was green, and so were the hills. The lines of those hills were so soft and beautiful, just like a China painting that was only rendered with green and not drawn with ink lines. The green color flowed everywhere and gently flowed into the clouds. The writer felt that this realm was both amazing and comfortable. He was willing to stand and look around for a long time, but also wanted to sit down and recite a beautiful poem. In this realm, even horses and bulls would sometimes stand still, as if they were savoring the endless pleasures of the grasslands. The advantage of integrating feelings into the writing of scenery was that the article would blend the feelings and scenes, allowing the readers to better understand the beauty of the grassland scenery and the author's love for the grassland. ** 2. Reading questions and answers related to Five Heroes of Langya Mountain ** 1. [Correct choice of words: Five warriors (standing) at the peak of the mountain,(looking) in the direction where the crowd and the main force of the army were going.] The class monitor, Ma Baoyu, said excitedly. At first it was the whole audience (silence), Mao Tse-tung (reading out) the announcement of the Central People's Government amidst waves of applause from the crowd, and the love of the 300,000 people for their leader melted into a burst of (enthusiastic) cheers. 2. ** Meaning of the words **: In the text,"earth-shattering" is a word that represents a loud voice, and "magnificent mountains and rivers" wrote the bravery and fearlessness of the five heroes. 3. ** Subtitle summary **: Heroic jump off a cliff. 4. The five heroes may think that we have successfully completed the task of covering the transfer of the masses and the main force of the army. Even if we sacrifice ourselves, it is worth it. We will never be captives of the enemy. We will use our lives to defend the dignity of the motherland and the people. ** 3. Reading questions and answers related to raising the flag for the founding of New China ** 1. ** The source of the article is not explicitly mentioned **. 2. At first, it was the whole audience (silence). Mao Ze Dong (read) the announcement of the Central People's Government in the applause of the crowd. The feelings of the 300,000 people who loved the leader melted into a burst of (warm) cheers. 3. ** Metaphorical sentence and body metaphor **: In the article,"At first, the whole audience was silent. Only the sound of cannons, the national flag, and many other flags could be heard. Later, every time the cannons were fired, the audience would burst into thunderous applause." It was a metaphor that compared applause to thunder. 4. ** Dash Effect **:"New China's first national flag, the five-star red flag, is slowly rising." The dash in this sentence was used by A. to explain the part of the text. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The answers to the additional questions in the third grade of primary school
The following are some of the types of additional questions and answers for the third grade of primary school: 1. There were two ropes, one twenty-eight meters long and the other twenty-four meters long. They had to be cut into small pieces of the same length, and there was no surplus. Each piece was at most four meters long, so they could be cut into thirteen pieces in total. (Find the longest length of each segment by finding the greatest common factor of 28 and 24, and then calculate the total number of segments) 2. When Xiaoming was calculating a division formula, he took 6 as 9, and the quotient he got was 4. The correct quotient should be 6. (First calculate the dividends based on the wrong quotient and quotient, then calculate the correct quotient) 3. There were 25 apple trees in the orchard, 8 more pear trees than apple trees, and 116 peach trees. (First calculate the number of pear trees, then the total number of apple trees and pear trees, and finally the number of peach trees) 4. Xiao Ming read half of the story book on the first day and the other half on the second day. There were still 20 pages left. The book had a total of 80 pages. (Inferring from the back to the front, the number of pages in the book is obtained) 5. Two 8cm long and 4cm wide rectangular shapes were put together to form a square. The circumference of this square was 32cm. (First determine the length of the side of the square, then calculate the perimeter) 6. The students lined up to do the exercises. There were the same number of people in each row. Xiao Ming was the fourth from the left, the third from the right, the fifth from the front, and the sixth from the back. There were a total of 60 students doing the exercises. (First calculate the number of people in each row and column, then find the total number of people) 7. A barrel of oil weighed 90 kilograms. After pouring out half of the oil, the barrel weighed 50 kilograms. The original barrel had 80 kilograms of oil and weighed 10 kilograms. (First calculate half of the oil weight, then get the oil weight and barrel weight) 8. A rectangular shape was three times as long as it was wide and had a circumference of 48 centimeters. This rectangular shape was 18 centimeters long and 6 centimeters wide. (Let the width be an unknown number and solve it according to the circumference formula) <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
2021 Primary School Teacher Job interview questions and answers
The following are some of the interview questions and answers that may be involved in the 2021 primary school teacher position: ** 1. Case Analysis ** 1. ** Boarding students sneak out of school and go to the internet cafe ** - If you find a student sneaking out of school to go to the internet cafe after self-study, you should first talk to him to understand the purpose of going to the internet cafe. If it was for entertainment, they should warn and enlighten them so that they would not be allowed to do it again. If they did it again, they should inform their parents. If it was for learning, they could tell them that the school could also solve their learning problems, encourage them to discuss with teachers and students, and remind them of the dangers of going to Internet cafes at night. 2. ** Helping single-parent students integrate into the community ** - Zhang Qiang, a junior high school student, was lonely and self-abased because of his parents 'divorce. He was far away from his classmates' social circles and was unwilling to participate in group activities. His personality defect was that he was unsociable and self-abased. He could not communicate well with his classmates. The solution was to give him more care, help him build self-confidence, guide him to play more with his classmates, encourage him, let the students participate in more extra-cursory activities with him, and at the same time do parent work. 3. ** Dealing with puppy love letters from students ** - When they received a letter from a boy to a girl in their class, they would first ask if it was convenient for the girl to read the letter. If it was convenient and the content was to express their liking, they could ask the girl to write a euphemistic rejection letter after chatting with the girl to encourage them to study together and get into a good school. If they just wanted to be ordinary friends, they could let the girl and the boy chat. They could become learning support groups or competitors in learning. This would help class management and students 'learning. Because this age group was in the budding period of youth, excessive opposition from teachers might stimulate boys' rebellious psychology. 4. ** Dealing with unknown questions raised by students ** - When a student raised a question that they did not know how to answer, they would praise the student who asked the question for his thinking ability and courage. Then, he took the opportunity to advocate for the whole class to think more and ask more questions. Then, he said that some questions could not be answered by one person in a short period of time. He had to think with the students. If he could not solve them in this class, he would take it as homework and tell the students the answers in the next class. ** 2. Answer Questions ** 1. ** Class culture related ** - The class culture was mainly reflected in the classroom layout (such as blackboard newspaper, bulletin board, famous sayings and aphorisms posted, tables and chairs arranged in an orderly manner, etc.), as well as the concept of unity and cohesion in the class. The head teacher could build class culture from the following aspects: regularly organize themed class meetings to create opportunities for students to actively participate in class activities; democratically elect class leaders to increase the enthusiasm of students to participate in class activities; set up class activities (such as organizing outings, planning board newspapers, and opening class journals, etc.); do a good job in student psychology and work together with students to make progress; encourage students to participate in school collective activities to enhance class cohesion. 2. ** Treat the left-behind students ** - As a form teacher, she had to be a guide for the students who stayed behind, as well as a guide for the children's learning progress and life protector. Because of the lack of family education, fatherly love, motherly love, communication, and effective supervision, there may be many problems in emotions, psychology, life, learning, and even personality, which will affect the healthy growth. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Fourth grade primary school mathematics Olympiad questions and answers
The following are some of the fourth grade primary school math Olympiad questions and answers: 1. ** and times problem **: The quotient of two numbers is four, the remainder is two, and the sum of the two numbers is forty-two. Find these two numbers. - If the smaller number is x, and the quotient of the larger number divided by the smaller number is 4 and the remainder is 2, then the larger number is x. The sum of the two numbers is 42, which gives the equations: x+(4x + 2)=42, 5x+2 = 42, 5x=40. The solution is x = 8, and the larger number is 44. 2. ** Divide with known dividends, quotient, and remainder **: Divider is 3320, quotient is 150, remainder is 20. - According to the formula, we can get the result: <<(3320 - 20)> div150 = 22>. 3. ** Successive natural number sum problem **: 3998 is the sum of four consecutive natural numbers, find the smallest number. - Let the smallest number be {x}, then the other three numbers are {x + 1},{x+2}, and {x + 3}, which gives the equation {x+(x + 1)+(x+2)+(x + 3)=3998},{4x+6 = 3998}, and {4x=3992}. The solution is {x = 998}. 4. ** Number and Decimals Adding Problem **: There is a two-digit number. Add a decimals point in front of one of its digits and add it to the two-digit number. The result is 20.9. Find the two-digit number. - Let this two-digit number be <x>, because the result after adding is <20.9>, we can know that this decimal is <0.1x>, then <x+0.1x = 20.9>,<1.1x = 20.9>, the solution is <x = 19>. 5. ** Family age problem **: A family of three, the total age of the three is 72 years old, mother and father are the same age, mother's age is four times that of the child, please age the three. - If the child's age is considered as a multiple of 1, and the parents are four times the child's age, then the child's age is <72'> div4>(1 + 4+4)=8>, and the mother and father's age is <8'> time4>= 32>. 6. ** Sports allocation problem **: A, B, C and D will participate in basketball, volleyball, football and chess respectively. It was known that A was taller than a volleyball player, that D had lost his legs in an accident a few years ago, and that a soccer player was shorter than C and a basketball player. Ask A, B, C and D to participate in what event. - From the fact that Ding lost his legs, he could tell that Ding was a chess player; A was not a volleyball or football player, so A was a basketball player; C was not a football player, so C was a volleyball player; B was a football player. 7. [Fruit packing problem: 10 fruits must be packed in 6 bags. The number of fruits in each bag must be even, and there must be no fruit or bags left.] - He put two bags in each bag and five bags in the last bag. 8. ** Comparing the amount of money left after spending money **: Naughty had 300 yuan, 56 yuan for books, and 128 yuan for stationery. How much less was Naughty left than before? - The money that was less than the original amount was the money spent. The total amount spent was [56+128 = 184] yuan. 9. [Question of the number of fishes: The two brothers went fishing and caught a total of 23 fishes. The elder brother caught three times more fish than the younger brother. How many fishes did the elder brother and younger brother catch?] - First, calculate the number of fish the younger brother has caught. The number of fish the older brother has caught is [(23 - 3)][Div(3 + 1)][5][1][2][3][3] 10. ** Alien payment problem **: Aliens have 1 cent, 2 cent, 4 cent, and 8 cent coins each. Please pay for 7 cent, 9 cent, 10 cent, 13 cent, 14 cent, and 15 cent items. - \(7 = 1+2+4\)，\(9 = 1+8\)，\(10 = 2+8\)，\(13 = 1+4+8\)，\(14 = 2+4+8\)，\(15 = 1+2+4+8\)。 11. [Fruit distribution problem: There are bananas, apples, and oranges on the plate.] Xiao Gang, Xiao Lin, and Xiao Hong each took a different fruit. "Everyone can only eat one kind of fruit. I don't eat oranges," said Xiao Gang. "I don't eat apples or oranges," said Xiao Lin. Beg who to take what fruit. - Xiao Lin took the bananas, Xiao Hong took the oranges, and Xiao Gang took the apples. 12. ** Four-digit numbers and questions **: Which four-digit numbers have the sum of each number equal to 34? - There were 8899, 8989, 8998, 9889, 9898, 9988, 7999, 9799, 9979, and 9997. 13. ** Price of tables and chairs **: Given that the price of a table is 10 times that of a chair, and knowing that a table is 288 yuan more than a chair, please find the price of a table and a chair. - The price of a chair was $288,000, and the price of a table was $32,000. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Primary school fourth grade key mathematics questions and answers
The following are some of the key math questions and answer types in the first volume of the fourth grade: ** I. Type of application questions ** 1. ** Problem on operational relationships ** - [Question: Xiao Ming has 25 candies. Xiao Hong has 3 times more candies than Xiao Ming. How many candies does Xiao Hong have?] - [Answer: First calculate the number of Little Red's candies by three times, which is 25×3 = 75 candies. Adding the extra 5 candies, 75+5 = 80 candies, so Little Red has 80 candies.] 2. ** About how to convert units in application questions ** - [Question: The capacity of a water tank is 500 liters, and 5000 milliliters of water can be used every day. How many days can this water be used?] - Answer: First, convert the units. Since 1 liter = 1000 milliliters, 500 liters = 500×1000 = 500000 milliliters. Divide the total amount of water by the daily water consumption. 500,000/5,000 = 100 days. ** 2. Type of fill-in-the-blank question ** 1. ** Digital related ** - Title: The million digits of a number are 7, the ten thousand digits are 3, the thousand digits are 9, and the remaining digits are 0. This number is written as (). - Answer: 7039000. 2. ** Calculating rules ** - [Question: According to the distribution law of multiplication, 25×(40 + 4)=25×40+() ×4.] - Answer: 25. ** 3. The key questions and error-prone questions in the calculation questions ** 1. ** Four Mixed Operations ** - Title: 360 × (72 - 6×12) - Answer: First calculate the multiplication 6×12 = 72 in the parenthesis, then calculate the substitution 72 - 72 = 0 in the parenthesis. Because the division number cannot be 0, this question is meaningless. 2. ** Simple calculation ** - Title: 25×32×125 - The answer was to split 32 into 4×8, and the original formula became (25×4)×(8×125)=100×1000 = 100000. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The first grade of primary school must have 50 questions and answers
Here are the answers to 50 application questions that may be mandatory for the first grade: 1. There were 25 people in the school's art team, and the singing team had 17 more people than the art team. How many people were there in the two groups? - [Number of people in the singing group: 25 + 17 = 42 (people)] - [Total number of people in both groups: 25+42 = 67 (people)] 2. His mother was 32 years old this year, 24 years older than Congcong. How old is Congcong? - [Congcong's age: 32 - 24 = 8 years old] 3. A rope was folded in half and half again. Each section was five meters. How long was this rope? - The rope was divided into four sections after being folded again and again. The length of the rope was 5×4 = 20 (meters). 4. A piece of cloth was 60 meters long, and each cut was 5 meters long. After cutting it 9 times, how many meters were left? - [Cut length: 5×9 = 45 (m)] - [Remaining length: 60 - 45 = 15 (m)] 5. The school spent 20 yuan to buy a soccer ball and 29 yuan to buy a basketball. How much more expensive was a basketball than a soccer ball? - [Price: 29 - 20 = 9 yuan] 6. There were 27 apple trees in the orchard. There were 17 more pear trees than apple trees. How many pear trees were there? - [Number of pear trees: 27+17 = 44 (trees)] 7. Xiao Ming read a storybook. On the first day, he read six pages less than the second day. On the second day, he read 30 pages. How many pages did he read on the first day? - Number of pages read on the first day: 30 - 6 = 24 (pages) 8. The younger brother was 9 years old today, and the older brother was 15 years old. In another 10 years, how much older would the older brother be than the younger brother? - Age difference unchanged, 15 - 9 = 6 (years) 9. To saw a piece of wood into five sections, it would take five minutes for each saw. How many minutes would it take in total? - Sawing into 5 sections required 4 times, total time: 5×4 = 20 (minutes) 10. Grandma had bought less than 20 candies. There were still two candies left from the three candies, and two candies left from the five candies. How many candies did Grandma buy? - The least common multiple of 3 and 5 is 15, 15+2 = 17 (blocks) 11. There were seven boxes of pens in the shop, each box containing eight pens. 28 pens were sold. How many pens were left? - [Total number of fountain pens: 7×8 = 56 (only)] - [Remaining quantity: 56 - 28 = 28 (units)] 12. Four people in each room, was seven rooms enough for 26 people? - 7 rooms can accommodate people: 4×7 = 28 (people), 28>26, enough. 13. Xiaofang borrowed a 70-page book for a week. She planned to read nine pages a day. Could she finish it on time? If not, how many pages are missing? - [Number of pages read in a week: 9×7 = 63 (pages)] - 70 - 63 = 7 (pages). He couldn't finish it on time. There were still 7 pages left. 14. Little Ming is 7 years old this year. Mom is 21 years older than Little Ming. Dad is five times older than Little Ming. How old is Mom this year? Where's Daddy? - [Mother's age: 7+21 = 28 years old] - [Father's age: 7×5 = 35 years old] 15. There were 28 girls in Class 2 (3), and 12 boys were less than girls. How many boys were there? How many boys and girls were there in total? - Number of male students: 28 - 12 = 16 (people) - [Total number of male and female students: 28+16 = 44 (people)] 16. The students planted 25 trees in the morning, 19 in the afternoon, and 38 yesterday. How many more trees are there today than yesterday? - [Total number of trees planted today: 25+19 = 44 trees] - [Number of Trees: 44 - 38 = 6 (Trees)] 17. Chang 'an First Primary School originally had 39 male teachers and 25 female teachers. Eight of them had been transferred away. How many teachers were left in Chang' an First Primary School now? - Total number of teachers: 39+25 = 64 (people) - [Remaining teachers: 64 - 8 = 56 (people)] 18. There were eight willow trees planted in the front, back, left, and right of the flower bed. How many willow trees were planted in total? - Total number of willow trees planted: 8×4 = 32 (trees) 19. Xiao Hong read a book with 90 pages. On average, she read eight pages a day. After reading for nine days, how many pages were left? - [Number of pages seen: 8×9 = 72 (pages)] - Remaining pages: 90 - 72 = 18 (pages) 20. Xiao Hua had five bags of candy, each bag had six candies, and there were three extra candies. How many candies did Xiao Hua have? - [Total amount of sugar: 5×6+3 = 33 (grains)] 21. There were 25 boys, 21 girls, and two teachers. Would a 50-seat car be enough? - Total number of people: 25+21 + 2=48 (people), 48<50, enough to sit. 22. There were ten floors in a certain building, and each floor was four meters tall. Xiao Ming was standing on the balcony on the eighth floor. How many meters was he from the ground? - 7 floors above the ground, height: 4×7 = 28 (m) 23. There were six small snails, but there were three times as many ants as it was. How many ants were there? - [Number of ants: 6×3 - 2 = 16 (each)] 24. There were 36 boxes of pears and 37 boxes of apples. The small truck could transport 70 boxes at a time. Could these pears and apples be transported all at once? - The total number of boxes of pears and apples: 36+37 = 73 (boxes), 73>70, cannot be transported in one go. 25. A large towel was 38 yuan, and the salesperson was given 50 yuan. How much change should I get? - Recoverable amount: 50 - 38 = 12 (RMB) 26. Xiao Hong's family bought a box of Red Fujis. After eating 18 of them, there were 6 left. How many Red Fujis were there in a box? - [Original number: 18+6 = 24 (pieces)] 27. Xiaolan bought 5 exercise books, each of which cost 50 cents. How much did she spend in total? - [Total cost: 5×5 = 25 (jiao)= 2.50 yuan] 28. The teacher assigned 80 mental calculations, and Xiaoxin did 69. How many were left? - [Remaining number of paths: 80 - 69 = 11 paths] 29. There were five language books on the table. Each book had ten pages. How many pages were there in total? There was also a math book. The math book had 24 pages. How many pages were there in total for the five language books and the math book? - [Total number of pages in the language book: 5×10 = 50 (pages)] - Total pages: 50+24 = 74 (pages) 30. Xiao Ming and Xiao Hua went to the park to pick flowers. Xiao Ming picked six kinds of flowers, seven of each kind. Xiao Hua picked four kinds of flowers, eight of each kind. How many flowers did Xiao Ming and Xiao Hua pick? - [Number of flowers picked by Little Ming: 6×7 = 42 (flowers)] - [Number of flowers picked: 4×8 = 32 (flowers)] 31. There are two desks in my mother's office. One of them has four books of each of nine different kinds. The other has eight books of each of three different kinds. How many books are there in total on the two desks in my mother's office? - [Number of books on the first table: 9×4 = 36 (books)] - [Number of books on the second table: 3×8 = 24 (books)] - [Total quantity: 36+24 = 60 (copies)] 32. There were two vases, one with six flowers and the other with four flowers. How many flowers were there in total? - [Total number of flower arrangements: 6+4 = 10 (flowers)] 33. The school had 30 basketballs and 15 footballs. How many more basketballs were there than footballs? - [Number of extra items: 30 - 15 = 15 (pieces)] 34. There were 18 birds on the tree. Nine had flown away, so how many were left? - [Remaining: 18 - 9 = 9] 35. There were 45 students in the class, and 40 of them were here. How many of them were not here? - [Number of people who didn't come: 45 - 40 = 5 (people)] 36. A storybook had 50 pages. After reading 20 pages, how many pages were left? - Unread pages: 50 - 20 = 30 (pages) 37. The children lined up. There were 12 people in front of Little Ming and 8 people behind him. How many people were there in this line? - [Total population: 12+1+8 = 21 (people)] 38. There were 20 cars in the parking lot. Ten of them had left, and another five had arrived. How many cars were there in the parking lot now? - [Current number of vehicles: 20 - 10+5 = 15 (vehicles)] 39. Little Min had 10 candies and gave Little Red 3. How many were left? - [Remaining number of crystals: 10 - 3 = 7 (crystals)] 40. There were 15 balls in the box, 8 of which were red balls, and the rest were white balls. How many white balls were there? - [Number of white balls: 15 - 8 = 7] 41. There were 48 first-year students participating in the rope skipping competition, and 35 second-year students participating. How many more first-year students participated than second-year students? - [Number of people: 48 - 35 = 13] 42. There were 23 monkeys and 15 elephants in the zoo. - [Number of extra ones: 23 - 15 = 8 (only)] 43. There were 30 pens in the stationery store, and 18 were sold. How many were left? - [Remaining number: 30 - 18 = 12 (sticks)] 44. There were 16 ducks by the river. Seven swam away and another five swam over. How many ducks were there by the river now? - [Current number of ducks: 16 - 7+5 = 14 (only)] 45. There were 10 children in a group. Seven of them were boys. How many girls were there? - [Number of girls: 10 - 7 = 3] 46. There were 35 chairs in the classroom. How many were left after 15 were moved away? - [Number of remaining pieces: 35 - 15 = 20 pieces] 47. Mom bought 20 apples and gave 8 to Xiaohong and 6 to Xiaoming. How many were left? - [Remaining number: 20 - 8 - 6 = 6 (pieces)] 48. There were 12 children playing games, and another three came. How many children were playing games in total? - [Total number of people: 12+3 = 15] 49. There were 15 strawberries on the plate. After eating 5, how many were left? - [Remaining number: 15 - 5 = 10 (pieces)] 50. There were 22 books on the bookshelf. If 12 books were taken away, how many books were left? - [Remaining copies: 22 - 12 = 10 (copies)] <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Classic Mathematical Olympiad questions and answers for primary school students
The following are some classic Olympiad math questions and answers for primary school students: ** 1. Profits and losses ** 1. [Question: How many children are there in total? Each child has 10 watermelons, 9 less, 8 more than 7.] - ** Answer **: According to the formula,"First add more or less, then divide by the distribution to find the difference." If there are 9 fewer and 7 more, the first sum is [9 + 7=16]; if each person is allocated 10 and each person is allocated 8, the difference is [10 - 8 = 2]. Finally, divide by the number of people. ** 2. Train itinerary ** 1. [Title: There are two trains, one is 102 meters long and travels 20 meters per second, and the other is 120 meters long and travels 17 meters per second.] The two trains were traveling in the same direction. How many seconds would it take for the first train to catch up with the second train and for the two trains to leave? - ** Answer **: From catching up to leaving, the distance of catching up is the sum of the two train leaders, which is <102 + 120 = 222> m. The speed difference is <20 - 17 = 3> m/s. Time = distance difference/speed difference, so <222> div3 = 74> s. 2. [Title: A person's walking speed is 2 meters per second.] A train came from behind and overtook him by 10 seconds. It was known that the train was 90 meters long. Ask for the speed of the train. - [Answer: The distance that a train can travel is 90 meters, the time is 10 seconds, and the speed of a person is 2 meters per second.] Assuming that the train speed is <v> m/s, according to distance = speed x time,<(v - 2)<times10 = 90>, the solution is <v = 11> m/s. 3. [Title: There are two trains moving in the same direction at the same time. After 12 seconds, the fast train overtakes the slow train.] The express train traveled 18 meters per second, while the slow train traveled 10 meters per second. If the two trains were traveling in the same direction, the express train would overtake the slow train in 9 seconds. Find the length of the two trains. - ** Answer **: When moving head to head, the distance that the express train passes over the slow train is the length of the express train, which is [(18 - 10)<times12 = 96] m; when the rear of the train is moving head to head, the distance that the express train passes over the slow train is the length of the slow train, which is [(18 - 10)<times9 = 72] m. 4. [Title: A train needs 40 seconds to cross a 440-meter bridge, and 30 seconds to cross a 310-meter tunnel at the same speed.] What was the speed and length of this train? - ** Answer **: Let the train's length be x meters and its speed be v meters per second. According to the relationship between the distance and time through the bridge and tunnel, the equation system can be obtained.(\begin{cases} 40v = 440 + x30v = 310 + x\end{cases}}), subtract the second equation from the first equation to get\(10v = 130'), the solution is [v = 13') m/s. Substitute [v = 13')] into [30v = 310 + x], the solution is [390 = 310+x]. 5. ** Title **: In order to measure the speed and length of the train, Xiaoying used a watch to record the time it took for the train to pass in front of her was 15 seconds, and Xiaomin used another watch to record the time it took for the train to pass the first telephone pole from the front to the second telephone pole at the back was 20 seconds. It was known that the distance between two utility poles was 100 meters. Find the length and speed of the train. - ** Answer **: Let the train's length be x meters and its speed be v meters per second. The train passes in front of us, the distance it travels is the length of the train (x = 15v\); The distance from the front of the car to the back of the car is the length of the car plus the distance between the poles.(x + 100 = 20v_), substitute_(x = 15v_) into_(x + 100 = 20v_) to get_(15v +100 = 20v_). The solution is_(v = 20_) m/s, the length of the car is_(x = 15, time20 = 300_) m, and the speed is_(20,time3.6 = 72_) km/h. 6. [Title: A train needs 40 seconds to cross a 530-meter bridge, and 30 seconds to cross a 380-meter cave at the same speed.] How many meters is the speed and length of this train? - ** Answer **: Let the train's length be x meters and its speed be v meters per second. We can get the equation set of\(\begin{cases} 40v = 530 + x'30v = 380 + x 'end{cases}). Subtracting the first equation from the second equation gives\(10v = 150), which is solved as\(v = 15) m/s. Substituting\(v = 15) into\(30v = 380 + x) gives\(450 = 380 + x), which is solved as\(x = 70) m. 7. [Title: The two of them walked along the trail beside the railway line, starting from two places and traveling at the same speed.] A train came, and it took 10 seconds for the entire train to pass by A. Three minutes later, B encountered a train. The entire train passed by B in just nine seconds. How long after the train left B did the two meet? - ** Answer **: Let the speed of the train be <v> 1>, the speed of the person be <v> 2>, and the length of the train be <L>. According to the relationship between the train and A, L=(v1v2)<times10>, and the relationship between the train and B, L=(v1v2)<times9>, we can get <(v1v2)<times10>=(v1v2)<times9>, which is simplified to <(v1v2 = 19v2>). 3 minutes after the train leaves A, it meets B. The distance between A and B and the distance between A and B is (180v1 - 180v2). The time after the train leaves B is set to be <t>, then <(v2 + v2)t= 180v1 - 180v2>. Substituting <v1 = 19v2> into <2v2t = 180Times19v2 - 180v2>, the solution is <t = 1710> seconds = 28.5 minutes. 8. [Question: Two trains, one 120 meters long and traveling at 20 meters per second, the other 160 meters long and traveling at 15 meters per second. The two trains are moving in opposite directions. How many seconds does it take for the two trains to meet and leave?] - ** Answer **: The two trains are moving in opposite directions. The distance from the front of the train to the back of the train is the sum of the two train leaders, which is the sum of the speed of the train. The speed is the sum of the speed of the train. The time is the sum of the speed of the train, so the speed of the train is the sum of the speed of the train. 9. [Title: A person's walking speed is 2 meters per second.] A train came from behind and passed him in ten seconds. Given that the train is 90 meters long, find the speed of the train. - ** Answer **: The distance the train can travel over a person is 90 meters, the time is 10 seconds, and the speed of a person is 2 meters per second. Assuming that the train speed is <v> m/s, according to distance = speed x time,<(v - 2)<times10 = 90>, the solution is <v = 11> m/s. 10. [Title: A and B are walking along the railway at the same speed. A train takes 8 seconds to pass by A and meets B 5 minutes later. It only takes 7 seconds to pass by B. How many minutes will it take for B and B to meet each other after B meets the train?] - ** Answer **: Let the speed of the train be <v> 1>, the speed of the person be <v> 2>, and the length of the train be <L>. According to the relationship between the train and A, L=(v1v2)<times8>, and the relationship between the train and B, L=(v1v2)<times7>, we can get <8(v1v2)=7(v1v2)>, which is simplified to <v1v2>. The train will meet B 5 minutes after leaving A. The distance between A and B and the distance between A and B in these 5 minutes is (300v1 - 300v2), from the time B meets the train, the time when A and B meet is set to be (t), then ((v2.1 + v2.1)t = 300v1 - 300v2.1). Substituting <<v1>= 15v2> into <<2v2.1>= 300.1> time15v2 - 300v2>, the solution is <<t = 2100>> seconds = 35 minutes. ** 3. Average problem ** 1. [Question: Cai Chen's average score in the final exam was 89 in politics, Chinese, mathematics, English, and biology.] The average score for politics and mathematics was 91.5. The average score for Chinese and English was 84. The average score for politics and English was 86 points, and English was 10 points higher than Chinese. He asked Cai Chen what his marks for each subject should be for this exam? - ** Answer **: If the Chinese test score is x, then the English test score is x + 10. According to the average score of Chinese and English, the equation could be written as [(x + x + 10)<div2 = 84], and the solution was [x = 79]. The English score was [89]. The average score for politics and English is 86 points, so the political score is 86/89 = 83/. The average score for politics and mathematics is 91.5, so the math score is 91.5'time2 - 83 = 100 '. The biology score was [89 'times5-(79 + 89+83 + 100)=94]. 2. [Title: A and B cotton fields, with an average yield of 185 catties of seed cotton per mu] The A cotton field had 5 mu, with an average yield of 203 catties of seed cotton per mu. The B cotton field had an average yield of 170 catties of seed cotton per mu. How many mu was the B cotton field? - ** Answer **: Suppose B has a cotton field of x mu. According to the total yield equal-countable equation, the solution is x = 6 mu. 3. [Question: Given that the sum of eight consecutive odd numbers is 144, find these eight consecutive odd numbers.] - ** Answer **: If the first odd number is <x>, then the eight consecutive odd numbers are <x,x + 2,x+4,x + 6,x+8,x + 10,x+12,x + 14>. According to the sum of the 144 equations, x+(x + 2)+(x+4)+(x + 6)+(x+8)+(x + 10)+(x+12)+(x + 14)=144, the solution was x = 7. The eight consecutive odd numbers were 7, 9, 11, 13, 15, 17, 19, and 21. 4. ** Question **: A sugar is 8.8 yuan per kilogram, B sugar is 7.2 yuan per kilogram. How much B sugar should be mixed with 5 kilograms of A sugar to make the price of each kilogram of sugar 8.2 yuan? - ** Answer **: Assuming that you need [B] sugar in a kilogram. According to the constant countable equation of the total price before and after mixing, the solution is [8.8'times5 +7.2x=(5 + x)'times8.2]. 5. [Question: Buy five sheep from the canteen. Take out two sheep each time and weigh them. There are ten different weights (kg):47, 50, 51, 52, 53, 54, 55, 57, 58, 59.] How many kilograms did each of the five sheep weigh? - ** Answer **: Let the weight of the five sheep from light to heavy be a, b, c, d, e. Each sheep was called together with the other four sheep once, so each sheep was called four times. Then, 4(a + b + c + d+e)=(47 + 50+51+52+53+54+55+57+58+59)=536, so 4 (a + b + c + d+e = 134). The lightest combination is a + b = 47, and the heaviest combination is d + e = 59, so c = 134- 47 + 59 =28. Because a + c = 50, then a = 50 - 28 = 22, b = 47 - 22 = 25, c+e = 58, then e = 58 - 28 = 30, d = 59 - 30 = 29. ** 4. Arithmetic Sequence Problem ** 1. [Question: Below is a string of numbers arranged according to a pattern: 2, 5, 8, 11, 14…] What was the 1995th item? - ** Answer **: This is an arithmetic sequence. The first term is <a1 = 2>, and the tolerance is <d = 3>. According to the general term formula of arithmetic sequence,<a_n= a1 +(n - 1)d>, the 1995th term is <a_{1995}=2+(1995 - 1)><times3 = 2+ 1994><times3 = 5984>. 2. [Question: Among the natural numbers starting from 1, what is the 100th number that cannot be completely divided by 3?] - ** Answer **: 1, 2, 3, 4, 5, 6, 7,.... Starting from 1, form a group of three numbers. The first two numbers in each group cannot be divided by 3. If there are two numbers in a group, there will be a group of 100 numbers. Each group has three numbers, and there will be a total of 50. Then the 100th number that cannot be divided by 3 is 150 - 1 = 149. ** 5. The problem of cows eating grass ** 1. [Title: A patch of green grass that grows at a constant rate every day.] This patch of grass could feed twenty-seven cows for six days or twenty-three cows for nine days. How many days could this patch of grass feed twenty-one cows? - ** Answer **: Suppose a cow eats one unit of grass a day. First, find the amount of grass that grows every day. Twenty-seven cows ate for six days, eating a total of 27,000 units of grass; Twenty-three cows ate for nine days, eating a total of 20,000 units of grass. (207- 162 = 45 units. This is the amount of grass that grows in a day, so the grass grows in a day. The original amount of grass is in units of [162 - 6'times15 = 72]. Assuming that 21 cows eat for [x] days, the equation [21x = 72+15x] can be solved for [x = 12] days. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Spoken language communication primary school Chinese questions and answers
The following are some examples of primary school Chinese oral communication questions and answers: ** 1. Self-introduction category ** 1. [Title: You have just transferred to another school. The teacher wants you to introduce yourself to the class.] - [Answer: Hello everyone, my name is Li Xiaoming.] I'm from Beijing and I'm [X] years old. I'm a lively and cheerful person who enjoys participating in all kinds of group activities. I like sports, especially table tennis. I also like reading. I hope that students with the same hobbies can often come to play with me. I hope we can become friends soon and study and play happily together. Thank you. 2. [Title: Xiaojiang was transferred from a village school to a city experimental primary school due to his parents 'job transfer. The teacher asked him to introduce himself to the class.] - ** Answer **: Hello everyone, my name is Xiaojiang, and I'm ten years old this year. I have a wide range of interests, such as singing, painting, etc. I also like to make friends. Are you willing to be friends with me? 3. [Title: How would you introduce yourself to your new classmates after attending a calligraphy training camp?] - ** Answer **: Hello everyone, my name is Milan. I am a lively and cheerful person. My hobbies are calligraphy and dancing. I am very happy to be able to join the calligraphy training camp. I believe that we will get along very well in the future. I hope to become good friends with you. 4. ** Title **: If you want to participate in the military summer camp for primary school students, please introduce yourself to your friends who are participating in the summer camp. - ** Answer **: Hello everyone, I am Li Lei from Guangming Primary School. I am cheerful and have a wide range of hobbies. I am very happy to participate in this military summer camp with everyone. I hope that I can help each other and become good friends with you in the future. 5. [Title: To be the reporter for the school newspaper. Please introduce yourself.] - ** Answer **: Hello, I'm Xiao Yun, a student from fourth grade class one. I love socializing and am good at communicating with people. He had won the title of best debater in last year's school debate competition. Dear teachers, I am here today to apply to be a reporter for the school newspaper. I have a cheerful personality and am good at communicating with others. I have always been the joy of my family. I have read a lot of books and have also tried to write. My essays are often praised by the teachers. Two of my essays have been honored to be selected for the language newspaper. Therefore, I think I am qualified to be a reporter for the school newspaper. I hope that the teachers can give me this opportunity. I will definitely provide high-quality content for the school newspaper. Thank you, teachers. ** 2. Comforting Category ** 1. [Title: Xiao Feng fell in the 4x100m relay race. His class didn't get a place in this event. He blamed me and wished I hadn't fallen. How should I comfort him?] - [Answer: Go to his side, put your arm around his shoulder, and gently say," You've already done very well. Everyone saw how hard you fought on the field. You fell because you wanted to win too much. Why would I blame you?] Don't blame yourself or feel pressured. If I play, I might play even worse." 2. [Title: Xiao Li's family is moving to another city. She's about to leave her good friend. How should I comfort her?] - "This news is too sudden. I'm not mentally prepared. If I were to encounter such a situation, I would be very sad." We can't bear to part with you either. However, he had to be more open-minded. A new city would have a new environment, which would broaden his horizons and enrich his experience. Moreover, communication technology is so advanced now, so we can still keep in touch often." 3. [Title: Little Soldier lost his watch when he went out to play. This watch was a birthday gift from his mother. How to comfort him?] - ** Answer **: First, listen to the person's story, then offer help." After listening to you, I already know how important this watch is to you. You didn't do it on purpose. Mom won't blame you. Don't worry, we'll help you look for it again." If he couldn't find it, he would save up and buy a new one. 4. [Question: Xiao Lin's final exam results were not ideal. How should his teacher comfort him?] - [Answer: Come on, work harder. I believe you can do it.] 5. [Question: If your friend lost his new pen, how would you comfort him?] - Answer: Use your hand to gently pat his shoulder or hug him and say,"Don't be sad. The fountain pen has been lost. No matter how sad you are, you can't find it again. I'll accompany you to buy another one." Just take good care of it next time. You look very cute when you smile. I don't like to see you frown." 6. [Title: Tongtong did not do well in the Chinese exam this time. He is unhappy all day. As his good friend, how would you comfort him?] - "Don't be sad. It's not a big deal if you don't do well in the exam once. Your current state is worrying everyone." Although you didn't do well this time, failure is the mother of success. As long as you seriously summarize and correct your mistakes in time, you will definitely get a good result next time." 7. [Title: Because he was sick and had to rest at home, he missed a lot of homework. He felt very sad about it. As his good friend, how would you comfort him?] - Answer: Tell him," Don't be sad. You should rest at home and recuperate. Only by recovering soon can you return to school as soon as possible." She also expressed her willingness to help him, such as," I'll help you with your homework. Don't worry, okay?" 8. [Title: Xiao Ming's parents have been quarreling over some trivial matters in their lives recently. Xiao Ming is anxious and sad. He doesn't even have the mood to go to class. As his good friend, how would you comfort him?] - "Answer: Patting Xiao Ming's back, she said with concern," Don't be sad." If I were you, I would be very sad too, but you have to believe that adults will solve their problems. What you should do now is to focus on your lessons and not let Mom and Dad worry about you." 9. [Title: Your friend is participating in the recitation competition on behalf of the class. He is too nervous and did not perform well. He is very sad. How can you comfort him?] - [Answer: You've already done very well. We've all seen how hard you've worked. It doesn't matter if you fail this time. First, analyze the reasons for your poor performance and summarize your experience. Next time, you'll definitely be able to get a good ranking and bring glory to your class.] 10. [Title: Xiao Gang's airplane model's tail is broken. He is preparing to use this model to participate in the school's science and technology festival competition. How can I comfort him?] - [Answer: Xiao Gang, you don't look good. What happened?] "I just fell down and broke the plane model," said Xiao Gang. " It's good that you're not injured. Don't worry. If the model plane is broken, you can make another one or fix it." <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>