Well, for grade 5, keep it simple and fun. Come up with a main character they can connect with. Add some adventure or a mystery. Use short sentences and paragraphs to make it easy to read. And always proofread to fix any mistakes.
Start with an interesting idea. Make the characters relatable and have a clear beginning, middle, and end. Also, use simple and vivid language.
First, think of a topic that kids in grade 5 would like. Then, plan out the plot. Make sure there's a problem and a way to solve it. Use lots of description to make the story come alive. And don't forget to have a happy or satisfying ending!