四年级下册数学同步练习-1单元1课时 平移-苏教版解析
http://t.cn/Ri466E4苏教版小学数学四年级下册《平移》同步练习及参考答案一、填空1.仔细观察,填一填.小船先向()平移()格,再向()平移()格,最后向()平移()格。【考点】:平移【解析】:根据图中箭头的指向及两图对应部分间的距离即可确定平移的方向和距离。【答案】:左,8,下,4,右,8【总结】:此题是考查平移的意义.注意:平移的距离是指对应部分的距离,不是两两图之间的距离。2.把一桶水从井里提上来是 现象。【考点】:平移【解析】:平移是指在平面内,将一个图形上的所有点都按照某个方向作相同距离的移动叫做平移运动,简称平移。【答案】:平移【总结】:本题是考查平移:平移是位置发...
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