新人教版五年级数学下册第5单元测试题
1新人教版五年级数学下册第五单元图形的运动班级姓名一、填一填。(每空2分,共32分)1.如果一个图形沿着一条直线对折,两侧的图形能够完全重合,这样的图形就叫()图形,那条直线就是()。2.正方形有()条对称轴;等边三角形有()条对称轴;圆有()条对称轴。3.这些现象哪些是“平移”现象,哪些是“旋转”现象:(1)张叔叔在笔直的公路上开车,方向盘的运动是()现象。(2)升国旗时,国旗的升降运动是()现象。(3)妈妈用拖布擦地,是()现象。(4)自行车的车轮转了一圈又一圈是()现象。4.图形①是以点()为中心旋转的;图形②是以点()为中心旋转的;图形③是以点()为中心旋转的。①②③5.你知道方格纸上...
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