Children in small classes are usually 3 years old, and 3-year-old children begin to be sensitive to numbers. At this time, although the children have not been specially trained in mathematics, they already have the desire to count. For example, if he holds several toys in his hand, he will mutter to himself right or wrong: "1, 8, 3 ..." This messy number shows that children are eager for numbers.

There are many ways to help children develop this ability. For example, when a mother tells her children, "Your clothes are missing two buttons" and "We need three more plates", she is taking this opportunity to teach her children the concept of numbers.

The method used at first was to count money. Change is a counting method to attract children's attention. Give the child 1 and five dimes. So that children can learn to count to 10.