1) Learning objectives: To cultivate children's ability to recognize the numbers within 20, increase their interest in learning mathematics, and exercise their observation and reaction.

2) Theoretical guidance: Children begin to show strong interest in numbers from age about 3 and they often mumblesomeorderless numbers to themselves, which indicates their interesting numbers and counting. Therefore children during this period should be taught to learn numbers and to count correctly.

3) Creative learning: The game “Balloon Burst” grasps children’s interest in numbers to conductnumber learning through clicking numbers. The progressive game difficulty stimulates children’s competitiveness and highlights the gradual educational principles which is good for children to form a good habit to challenge themselves. Children need to find the correct bubble among many bubbles, which promotes the development of children’s abilities of observation and attentiveness to some degree.

4) Suggestions for parents: To make children correctly learn and count the numbers within 20 is closely related to parents’ daily education. For example, when climbing stairs, you can count the number of stairs with children. Warm prompt: in the learning process of numbers, children are easy to forget some numbers when counting. When children forget a certain number frequently, do not criticize them impatiently, instead, give them more encouragement.