69 The Genius Tang Xiaomi

As a matter of fact, the curriculums in kindergarten and elementary school barely required any logical thinking except for Mathematics. They tested the child's memory more than anything.

If Xiaomi had a great memory, it would be easy for her to master the subjects quickly.

Mathematics required logical thinking, and girls were naturally weaker in this aspect. As a four-year-old girl, Xiaomi was considered amazing to have reached a fifth grader's level.

After Tang Jing left for her business, Su Yang caressed Xiaomi's head and decided to find out just how good she was.

"Xiaomi, where are you now in Mathematics?"

Xiaomi looked at Su Yang with her big googly eyes as if she had stars in them. "I'm at prime numbers and composite numbers."

'She's this fast?' A little thought later, Su Yang decided to find out more about Xiaomi's level, so he asked, "Here's a little test. Is 1 a prime number?"