2014秋苏教版数学二上2.3《认识图形练习》word教案1

《2014秋苏教版数学二上2.3《认识图形练习》word教案1》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、（苏教版）二年级数学上册认识图形练习题21.在一张正方形纸上剪去一个角，剩下的可能是什么图形？请你按要求画一画，并把剩下的图形用铅笔涂上颜色。剩下的是四边形剩下的是三角形剩下的是五边形2.在一张长方形纸上剪去一个三角形，剩下的可能是什么图形？请你画一画，并把剩下的图形用铅笔涂上颜色。剩下的是五边形剩下的是四边形剩下的是三角形3.按照要求画一画，分一分。（1）两个三角形两个四边形一个三角形和一个四边形（2）两个四边形两个五边形一个三角形和一个四边形（3）分成一个三角形和一个四边形。（2）分成一个三角形和一个五边形。（3）按要求分一分。两个三角形两个四边形三个三角形一个三角

2、形和一个四边形4.下面的图形最少可以分成几个三角形？请画一画。5.在下列的格子图上画一个四边形，五边形和六边形，一个长方形、正方形和平行四边形。6.在点子图上画出一个四边形、五边形和六边形，一个长方形、正方形和平行四边形。·················································································································································································

3、································································································································································································································································································

4、·····················