加强概念教学主要采用创设情境,提供感性材料,与生活实际紧密联系;对比区分易混概念;小组合作学习和归类整理形成知识网络,培养学生的思维能力。数学概念是反映现实世界的空间形式和数量关系本质属性的思维形式。因此,加强概念教学,让学生在观察、分析、比较、综合、抽象、概括、记忆、应用等一系列思维活动中,加深对概念的理解,从而使学生的思维能力得到发展和提高。一、为学生创设情境,提供感性材料。创设使学生在认知上产生矛盾和冲突的情境,能够激发 Strengthen the concept of teaching is mainly used to create situations, to provide perceptual material, and life is closely linked to reality; easy to mix the concept of distinction; group cooperative learning and classified to form a knowledge network to train students’ thinking ability. The concept of mathematics is a form of thinking that reflects the nature of the relationship between the spatial form and the quantity of the real world. Therefore, to strengthen the concept of teaching so that students in the observation, analysis, comparison, synthesis, abstraction, generalization, memory, application and a series of thinking activities, deepen the understanding of the concept, so that students’ thinking ability to develop and improve. First, create situations for students to provide sensuous materials. Create a situation in which students create conflicts and conflicts in their cognitions and can inspire them