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教学内容:人教版《义务教育教科书数学》二年级上册第2、3页例1~例3及做一做。教学目标:1.结合具体情境,引导学生体会统一长度单位的必要性。2.认识长度单位厘米,初步建立1厘米的长度观念。3.会用尺子测量较短物体的长度,培养学生的估测意识。4.培养学生的观察能力、动手操作能力及合作意识。
Teaching content: PEP “compulsory education textbook mathematics” second grade on the first two or three pages of cases 1 to 3 and do one. Teaching objectives: 1. Combination of specific situations, to guide students to understand the necessity of unit length unity. 2. Recognize the unit of centimeter length, the initial establishment of 1 cm length concept. 3. Will use the ruler to measure the length of shorter objects to develop students’ sense of estimation. 4. Cultivate students’ observation skills, hands-on ability and sense of cooperation.