Primary school is a critical period for children's language ability and logical thinking ability. In mathematics learning, doubling is a basic concept and an important part of understanding numbers and calculation. Doubling is not only to double a number, but also to add a number many times to get its own multiple. This concept plays an important role in primary school mathematics learning, which expands children's cognitive range of numbers and lays the foundation for subsequent learning.

Doubling is not only used in mathematics, but also a process of children's growth. In daily life, parents can guide their children to complete various oral arithmetic problems and games, so that children can better understand and use the concept of doubling. In this process, children can not only acquire mathematical skills, but also exercise their thinking ability and logical reasoning ability.

Doubling is the basis of mathematics learning in primary schools and the key process of children's growth. The significance of double education lies not only in mathematics learning, but also in cultivating children's self-confidence and problem-solving ability. Only through constant practice and constant exercise can we truly master the ability and win success. Therefore, we should provide more opportunities for children to explore and learn, so that they can master and consolidate the concept of doubling in their growth.