1. Draw a picture and find out the answer. Most children like to draw pictures and draw a picture, which is also a highly respected mathematics education method in the world. Show children 1, 2, as much as 10 with their favorite patterns, and teach children to master the addition and subtraction within 10 through the change of the final number.
2. Use chat to stimulate children's computing awareness. Usually, children and children can use questions and answers to stimulate children to think. Don't use standard vocabulary strictly, as long as it can express the meaning of increase or decrease.
3. Learn the addition and subtraction within 10 with your fingers. Teach your child five fingers in his left hand and five fingers in his right hand. You can teach addition and subtraction within five by counting your fingers. Finally, by teaching children with both hands, children can intuitively feel the process of increase and decrease, so that the learning effect will be great.