1, self-made clock: a preliminary understanding of the surface structure of the clock (scale, hour hand, minute hand, second hand, numbers). Discover the running rules of the hour hand and the minute hand, and learn to watch hours and half hours.

2. Know numbers: If you have Lego at home, you can try to establish the concept of numbers in kind. Make numbers equal to toys.

3. Digital jigsaw puzzle: Use some simple materials at home, cut out the numbers, put them back together, or write codes to arrange them in order.

4. Kite beading: Make it into the shape of a small kite, and let the children string the corresponding number of beads according to the numbers. Make learning more interesting and children are more willing to participate.

5. Know the adjacent number: What is the adjacent number? Teaching with physical teaching AIDS is more intuitive.

6. Know the size of numbers: We know that greater than and less than are the most confusing. Explain in this form to enhance the big impression of the side facing the mouth of the little crocodile.

7. Understanding addition: Use clothes hangers and clips as teaching AIDS for addition equations. Doing math problems is boring, and children will definitely enjoy it.

8. You can also use Lego bricks to make learning addition more intuitive.

9. Paper plate buttons: Paper plates at home can be used for teaching just like buttons.

10. Finger counting: When children learn addition and subtraction, they like to use their fingers as such teaching AIDS, which makes them feel more substituted.