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教学内容:教科书第64￣66页的内容“完成练习十六第1￣3题#教学目的!1.使学生能运用数方格$割补等方法探索平行四边形面积的计算公式”初步感受转化的思想#2.让学生掌握平行四边形面积的计算公式“能够运用公式正确计算平行四边形的面积#3.培养学生观察$分析$概括$推理的能力”发展
Content: Textbook 64 ~ 66 of the contents “Complete Exercise 16th 1 ~ 3 title # teaching purposes! 1. To enable students to use the number of squares $ cut and other methods to explore the area of the parallelogram formula Feel the idea of conversion # 2. Have students master the formula for calculating the area of a parallelogram ”Use the formula to correctly calculate the area of a parallelogram. # 3. Develop student observations $ Analyze $ Sum of $ inference " Development