“动手操作”是新“课标”提倡的学习数学的重要方式之一,因此,人教版实验教材很重视解放孩子们的双手,提供了充分的操作时间和空间,善于用实践的眼光编写教材,力求让学生动手“做”数学。 “Hands-on operation” is one of the important ways to learn math advocated by the new “curriculum standard”. Therefore, the PEP teaching materials attach great importance to liberating the children's hands and provide sufficient operation time and space, and are good at writing in a practical way Teaching materials, and strive to allow students to “do” mathematics.