小学数学学科的特点是抽象、概括,而小学生的年龄特点是容易接受直观形象的事物。合理恰当地运用多媒体辅助教学,既能加强学生的直观感受,又有利于学生对知识的抽象概括,也可以有效地避免学生的厌学情绪和减轻学生过重的学习负担,使学生始终保持兴奋、愉悦、渴求知识的心理状态。 Elementary mathematics is characterized by abstract, generalization, while the age characteristics of primary school students are easy to accept the intuitive image of things. Reasonable and appropriate use of multimedia assisted teaching, not only can enhance students’ intuition, but also help students abstract abstracts of knowledge, can also effectively avoid the students’ weariness and relieve students’ heavy learning burden, so that students always remain excited , Pleasure, craving for the psychological state of knowledge.