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1、东亭学校第二小学部 三年级数学上册第二单元试卷班别姓名成绩一、口算:(6 分)58+17=75+35=43+47=84-30=78-35=80-61=93-53=72-49=87-36=87-38=35+42=50+130=二、填空:(10分)1、四边形有()条边,()个角。2、图中共有()个平行四边形;图中有()个四边形.3、伸缩门是运用了平行四边形的()特性。4、一只枕套长 6 分米,宽 4分米,如果在它的四周镶上花边,至少需要()分米的花边。5、绕着一个边长为500米的正方形人工湖走一圈,走的路程是()米,合()千米。6、周长是 36 厘米的正方形,边长是()厘米。7、用两个边长是 4
2、厘米的正方形拼成一个长方形,这个长方形的周长是()厘米。三、选择:(10 分)1、下面图形中()是平行四边形。2、用软尺量得一个钟面的一圈的长是38 厘米,也就是说这个钟面的()是 38 厘米。长宽周长3、右图中,图 1 和图 2 的周长比,结果正确的是()图 1 大图 2 大相等4、把一个大长方形剪成两个小长方形后,周长之和比原来的长方形周长()图 1 图 2 增加减少相等5、下列 3 个图形中,每个小正方形都一样大,那么()图形的周长最长。三、判断题。(6 分)1长方形的周长就是它四条边长度的和。()2如果一个正方形的周长是20厘米,它的边长就是10厘米。()3用同一条铁丝先围成一个正方形
3、,再围成一个长方形,长方形和正方形的周长相等。()4、长方形和正方形都是特殊的平行四边形()四、先量一量,再计算下面各图形的周长。(以厘米为单位)(9 分)五、实践操作:(7 分)(1)在方格纸上各画一个长方形、一个正方形和一个平行四边形(2)在右边画 一 个 同样的平行四边形甲乙丙文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9
4、V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG
5、2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9
6、J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6
7、R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:
8、CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 H
9、Y9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 Z
10、L6R9V3C3N9(3)把下列图形改成平行四边形。六、你能在下图中围出几种周长是12 厘米的长方形或正方形?(小正方形边长1 厘米)(9 分)七、计算并验算。(16 分)904-556=478+293=530-87=786+497=长方形的长长方形的宽文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T
11、4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8
12、T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9
13、V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG
14、2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9
15、J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6
16、R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9八、解决问
17、题。(24 分)1学校花坛是一个长9 米,宽 5 米的近似长方形,在它的四周围上彩带,彩带至少长多少米?(5 分)2一块长方形菜地的宽是8米,比长少 5 米,这块菜地的周长是多少米?(5 分)3一块正方形的草地,边长是7 米,这块草地的周长是多少米?(4 分)4、一个长方形镜框长2 米,宽 1 米。用一条长7 米的花边能绕镜框一周吗?多多少米?(5 分)5、王大妈沿着一条河用篱笆围一个长25 米,宽 10 米的长方形菜地,最少需要准备多长的篱笆?(5 分)(见左图)卷面书写整齐干净3 分文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N
18、3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2
19、S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3
20、N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L
21、9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8
22、P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3
23、C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9文档编码:CG2T4L9N3X5 HY9J8T8P2S10 ZL6R9V3C3N9