Parents tell their children to use their own hands to represent ten, five fingers in each hand represent five, two hands in turn, the left hand represents a number, and the right hand represents an addend, so that the children can count them out, as shown in the figure below.

After the addition society expresses it, tell the child the subtraction within ten. Come with one hand and step back with the other, so that you can express subtraction and minuend. Let the children look at their fingers and calculate the results orally, as shown in the figure below.

Children can be taught to add and subtract with sticks. Put five green sticks on the left and three orange sticks on the right. Let the children count the sticks, and you can get the sum, as shown in the figure below.

To subtract with sticks, you can put the total first, tell the children to take out two countries with their right hands, and then count how many sticks are left on the paper, as shown below.

It is not easy to put the stick on the paper. You can put sticks in two small cups, such as four green sticks in the measuring cup on the left and four red sticks in the measuring cup on the right. Let the children calculate how many sticks there are in a * * *, as shown in the figure below.

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You can use different graphics to represent addend, and let children use their hands to represent the calculation results. For example, put four purple circles on the left and four orange squares on the right. The child reaches out to represent the result of eight, as shown in the figure below.