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在数学教学中,复杂问题总是由简单问题而来的。许多问题之所以迟迟得不到解决,是因为我们把简单的问题复杂化了。事实上,学会把问题简单化,才是一种大智慧。作为一名教师,在教学上也是如此,上好一堂课的诀窍,仍然是将复杂的问题简单化。下面就以三个课例来谈谈。课例一:多媒体创设情境。“猴妈妈有12个桃子,每只小猴分3个,能分给几只小猴子?”让学生操作学具分一分,然后说一说。教师根据学生的回答。在黑板上板书:12-3=9 9-3=6 6-3=3 3-3=0,并小结说:刚才我们通过
In mathematics teaching, complex problems always come from simple problems. The reason why many problems have not been solved for a long time is because we have complicated the simple problems. In fact, it is a great wisdom to learn to simplify the problem. As a teacher, teaching is also true. The trick to a good lesson is still to simplify complex issues. Here are three lessons to talk about. Lesson one: multimedia to create situations. “Monkey mother has 12 peaches, each monkey points 3, can be divided for a few little monkeys?” "Let the students operate a learning tool, and then say something. Teachers based on the students’ answers. Blackboard board: 12-3 = 9 9-3 = 6 6-3 = 3 3-3 = 0, and concluded: we just passed