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教学内容:苏教版《义教课标数学》四下第70～71的例题以及72页“想想做做”的1～3题。教学目标:1.通过操作活动得出相应的乘除法算式,帮助学生理解倍数和因数的意义;探索求一个数的倍数和因数的方法,发现一个数倍数和因数的某些特征。
Teaching content: Sujiao version of “justice teaching mathematics” four under the 70 ~ 71 examples and 72 pages “Think about doing ” 1 ~ 3 questions. Teaching Objectives: 1. Through the operation of the corresponding formula obtained by multiplication and division, to help students understand the meaning of multiples and factors; explore a multiple and the number of factors to find a way to find a number of factors and a number of features.