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直观教学手段最重要的就是课件的播放和学具的操作。课件以它明快的画面和动画效果成为现今数学课堂最亮丽的风景,具有其它教学手段不可替代的作用,也成为公开教学不可缺少的一部分,所以不再多说。与此相比,对学具的操作和使用好像淡化了许多。我们却认为学具那超强的直观性和操作性是任何教学手段不可替代的。下面我就结合具体的案例来说一说学具的选用和操作给课堂教学带来的效果。一、巧选教具,突破重难点
Intuitive teaching means the most important is the courseware playback and learning operation. Courseware with its crisp screen and animation effects become the most beautiful landscape in today’s mathematics classroom, with other irreplaceable teaching methods, but also become an indispensable part of the open teaching, so I will not say more. Compared with this, the operation and use of learning instruments seem to have weakened a lot. However, we think that the superb intuitive learning and operability of any teaching method is irreplaceable. Now I will combine a specific case to say that the selection and operation of learning tools to classroom teaching effect. First, the clever selection of teaching aids, breakthrough heavy and difficult