三年级数学下册二《图形的运动》平移和旋转提高习题(无答案)北师大版.doc

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1平移和旋转提高习题一、1. 在上面四个图案中可以由平移得到的有: ;由旋转得到的有: ;是对称图形(案)的有: 。2. 想一想,怎样比较快地绘制出像、这样的图案。二、继续画下去。三、请你用 的图形,运用平移、旋转或对称的方法设计一个图案,与同学进行交流。四、折一折,剪一剪。取一张纸片先上下对折,再左右对齐,然后画上图案并剪一剪。展开后你会发现什么?请你按这样的做法,剪两个图案,让长辈进行评价,并作为贺卡送给他们。2

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