Children are in the beginning and developing period of logical thinking, which is an important stage for the formation of mathematical concepts.The choice of the content in mathematics education is not only suitable for the existing level of children, but also with some challenge. Based on training children’s integration ability of numbers and objects within 10, the game “I say, you choose” properly increases the difficulty. Children should compare the quantity of animals based on voice prompt. Through the comparison of quantity, it improves children’s comparison, observation and differentiation abilities and further cultivates children’s attentiveness and logical thinking.