2. Usually, you can use toys and fruits as teaching AIDS, practice counting, put them before playing or eating, and then let him use formulas to express them. When you see some results, you can encourage and praise them in time.

Addition within 3.20 is based on mastering addition and subtraction within 10 and decomposition of numbers within 10. Don't force children to work out numbers. You can practice addition by rounding 10 to cultivate children's interest and lay a good foundation for further study.

My method is like throwing a brick to attract jade, I hope my children will make progress!