“提高课堂教学效果,减轻学生课业负担”是教育人毕生的追求。如何提高数学课堂的效果?最容易想到的是改变教学方式、方法和创造性地应用教材。当前各种各样的模式在全国各地进行推广与实验,所有的课都用同一种模式组织教学,就是再好的模式也难以满足不同口味的学生,也不可能适合所有的学习内容。其实,对于提高数学教学效果来说,与追求教学方式的创新、教学方法的改造相 “Improve the effectiveness of classroom teaching, reduce the burden on students ” is the pursuit of educators life. How to improve the effect of maths class? The easiest to think of is to change the teaching methods, methods and creative use of teaching materials. At present, all kinds of models are popularized and experimented in all parts of the country. All classes use the same model to organize teaching. That is, the best model can not satisfy students with different tastes and is not suitable for all learning contents. In fact, for improving the effectiveness of mathematics teaching, and the pursuit of innovation in teaching methods, teaching methods to transform