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1、冀教版小学数学六年级上册_六 圆的周长和面积 _单元测试单元测试六一、快乐点击。1.一个圆的周长是12.56 分米,它的半径是()分米。A4 B.2 C.3.14 2.圆周率是一个()。A有限小数B.无限小数C.无限不循环小数3.一个圆的半径扩大2 部,则它的周长扩大()倍,面积扩大多少()倍。A2、2 B.2、4 C.4、44.一个圆的面积是50.24 平方厘米,它的半径是()。A6 厘米B.5 厘米C.4 厘米5 两个圆的周长不相等,是因为它们的()。A圆心位置不同B.半径不同 C.圆周率不同 6.一个圆的周长与直径的比是()A 1 B.1 C.21 7.一个圆环,外圆半径是2 分米,内圆
2、直径是2 分米,圆环的面积是()A3.14 平方分米B.9.42 平方分米C.12.56 平方分米8.一个圆的周长是31.4 分米,那么它的面积是()平方分米。A314 B.157 C.78.5 冀教版小学数学六年级上册_六 圆的周长和面积 _单元测试二、填空我能行。1.用字母表示圆的周长公式为 C=()或 C=()。2.一个圆的周长是31.4 厘米,它的直径是()厘米,半径是()厘米。3.一辆自行车车轮半径是0.4 米,车轮滚动一周,自行车前进()米。4.()分米长的铁丝能围成一个半径是5 分米的圆。5.在长 12 厘米,宽8 厘米的长方形纸上,最大能剪出()平方厘米的圆。6.一个圆的周长是
3、6.28 厘米,把它分成两个半圆,半圆的周长是()厘米。三、火眼金睛辨对错。1.大圆的圆周率比小圆的圆周率大。()2.两个圆的直径相等,那么他们的周长也相等。()3.整圆的面积比半圆的面积大。()4.半径是 2 厘米的圆,它的周长和面积相等。()5.一个圆的面积扩大4 倍,它的直径就是扩大了2 倍。()四、计算小能手。1.求下列圆的周长和面积。(1)(2)2.求阴影部分的面积。(单位:厘米)(1)(2)r=7cm r=4dm r=4 d=6 8 文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S
4、2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:C
5、I8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 H
6、V7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI
7、9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码
8、:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8
9、 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3
10、ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8冀教版小学数学六年级上册_六 圆的周长和面积 _单元测试五、解决问题。1.有一个时钟,分针长8 厘米,这根分针走一圈,针尖走过的路程是多少厘米?针尖扫过的面积是多少平方厘米?2.一个长方形和一个圆形的水池,周长相等,长方形的长是6.42 米,宽是3 米,圆形水池的占地面积是多少平方米?3.一个环形内圆半径是3 米,外圆周长是37.68 米,这个环形的面积是多少平方米?4.下面是体育场的平面图。试着求出它的周长和
11、面积。(单位:米)75 40 文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9
12、E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S
13、10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N
14、9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1
15、F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P
16、6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L
17、8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8冀教版小学数学六年级上册_六 圆的周长和面积 _单元测试参考答案:一、快乐点击。1.B 2.C 3.B 4.C 5.B 6.A 7.B 8.C 二、填空我能行。1.d 2r2.10 5 3.2.512 4.31.4 5.50.24 6
18、.5.14 三、火眼金睛辨对错。1.2.3.4.5.四、计算小能手。1.(1)圆的周长:43.96 cm 面积:153.86 cm2文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3
19、 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文
20、档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O
21、9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9
22、M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E
23、8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S1
24、0O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8冀教版小学数学六年级上册_六 圆的周长和面积 _单元测试(2)半圆的周长:20.56 dm 面积:25.12 dm22.(1)阴影部
25、分面积:18.24 平方厘米(2)阴影部分面积:6.87 平方厘米五、解决问题。1.r=8 2 83.14=50.24(厘米)883.14=200.96(平方厘米)2.(6.42+3)2=18.84(米)18.843.14 2=3(米)333.14=28.26(平方米)3.37.68 3.14 2=6(米)663.14=84.78(平方米)4.周长:3.1440+752=125.6+150=275.6(米)面积:3.14(402)2+4075=4256(平方米)文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H
26、9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9
27、E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S
28、10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N
29、9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1
30、F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P
31、6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8文档编码:CI8P6S10O9O8 HV7L8N9H9M3 ZI9S2U1F9E8
限制150内