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我们深知,所有教具的使用都是帮助学生学习,做有实效、讲实在、重实际的数学,是我们共同的目标。下面就以“认识分数”为例,阐释自己对“合理选择教具,实实在在做数学”的理解。一、关于引入的思考1.情景再现问:(1)老师为每位同学都准备了一些纸,数一数,有几张纸?用数字几表示?(2)(去掉一张后)现在老师手中有几张?用数字几
We know that the use of all teaching aids is to help students learn, be effective, practical and practical mathematics, is our common goal. Here to “cognitive score ” as an example, to explain their “reasonable choice of teaching aids, really doing mathematics ” understanding. First, on the introduction of thinking 1. Scene Reproduction Q: (1) The teacher prepares for each classmate a few papers, the number of a few, a few pieces of paper? With the number of said? (2) (After removing one) Now How many in the hands of a teacher?