2021年人教版数学六年级下册第五单元检测卷(2).pdf
第五单元检测卷1.我会填。(1)10001 只鸽子飞进 500 个鸽笼中,无论怎样飞,总有一个鸽笼里至少飞进()只鸽子。(2)从 7 个抽屉中拿出 22 个苹果,无论怎样拿,总有一个抽屉中至少拿出了()个苹果。(3)有 4 双不同花色的手套,至少要拿出()只,才能保证有两只手套是一双。(4)盒子里有同样大小的红、蓝、黄、黑四种颜色的球各10 个,要想摸出的球一定有 4 个是相同颜色的,至少要摸出()个球。(5)有同样大小的红、黄、蓝三种颜色的珠子各10 颗,放在一个布袋里。一次摸出 10 颗,总会有一种颜色的珠子不少于()颗。一次摸出 12 颗,至少会有()种颜色。(6)6 个小组的同学栽树。2.我会选。(将正确答案的序号填在括号里)(1)14 个同学中,一定有()人是在同一个月出生的。A.2 B.3 C.4(2)把 4 个小球放在 3 个口袋里,至少有一个口袋里装了()个小球。A.2 B.3 C.4(3)5 个同学分一些书,其中至少有一个同学分到了5 本书。这些书至少有()本。A.25 B.26 C.21(4)在一副扑克牌中取出大小王,从剩余的 52 张牌中至少要抽出()张,才能保证其中有 3 张红桃。A.9 B.13 C.42(5)5 只小鸡被装进 2 个鸡笼,总有一个鸡笼至少有()只小鸡。A.2 B.3 C.4 3.任意的 25 个人中,至少有几个人的属相是相同的?为什么?精品w o r d 可编辑资料-第 1 页，共 3 页-4.六(1)班有 40 名同学表演节目,老师为他们准备了一些气球,至少要准备多少个气球,才能保证至少有一个同学能拿到两个或两个以上的气球?为什么?5.学校成立了音乐、舞蹈、剪纸社团,第一小组有 8 名同学报了这三个社团中的一个或几个。那么,这 8 个人中至少有几个人所报的社团是完全相同的?6.有黑、红、蓝三种颜色的手套各10 只混在了一起,这些手套只要两只颜色相同,即可配成一双。(1)把眼睛蒙上,至少要拿出几只才能保证能配成1 双?(2)至少要拿出几只,才能保证能配成 2 双?(3)至少要拿出几只,才能保证有 2 双是相同颜色的?精品w o r d 可编辑资料-第 2 页，共 3 页-文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3参考答案1.(1)21(2)4(3)5(4)13(5)4 2(6)25 2.(1)A(2)A(3)C(4)C(5)B 3.至少有 3 个人的属相是相同的。把 12 个属相看作 12 个“鸽笼”,2512=2(人)1(人),至少有 2+1=3(人)的属相是相同的。4.至少要准备 41 个气球。将 40 名同学看作 40 个“鸽笼”,要保证 1 名同学至少能拿到两个或两个以上的气球,气球的个数至少为40+1=41(个)。5.这 8 人中至少有 2 个人所报的社团是完全相同的。6.(1)至少拿出 4 只才能保证能配成 1 双。(2)至少拿出 6 只,才能保证能配成 2 双。(3)至少拿出 10 只,才能保证有 2 双是相同颜色的。精品w o r d 可编辑资料-第 3 页，共 3 页-文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 ZO6E6Q7H4W3文档编码:CZ4J4N9D1L1 HZ3F10E2U8S4 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