人教版数学五年级下册期中试卷及答案

1、人教版数学五年级下册期中试卷及答案年级： 姓名： 分数： 基础知识我最行！同学们请认真分析，知识宫的王冠等你去戴呢！一、我认真，我快乐。（20分）1、长方体和正方体都有（ ）个面，（ ）条棱，（ ）个顶点。2、自然数中，最小的奇数是( )，最小的偶数是（ ），最小的质数是（ ），最小合数是( )。3、48dm （ ）m 5890毫升=（ ）升=（ ）立方分米4、如果a和b是互质数，那么它们的最大公约数是（ ），它们的最小公倍数是（ ）。5、里面有( )个 4个是( )6、 = =7、一个长方体的长、宽、高都扩大倍，它的表面积就（ ）。8、分数单位是的最大真分数是（ ）。9、同时是2、3、5的倍

2、数的最大两位数是（ ）。10、26至少增加（ ）就是3的倍数。二、我是火眼金睛的小法官。（每题2分，共10分）1、棱长6厘米的正方体，它的表面积和体积相等。 （ ）2、一个长方体木箱，竖着放和横着放时所占的空间不一样大。（ ）、正方体的棱长扩大倍，它的体积就扩大倍。 （ ）4、一个数因数的个数是无限的。 （ ）5、两个质数的和一定是偶数。 （ ）三、我当韩信来点兵。（每题2分，共10分）1、下列各组数中，第二个数能被第一个数整除的是（ ）。a. 2.5和5 b. 4和10 c. 0.4和1.2 d. 5和252、一只茶杯可以装水（ ）。a. 250升 b. 250立方米 c. 250毫升 d.

3、 2500克3、下列现象中，不属于平移的是( ).a.乘直升电梯从一楼上到二楼 b.钟表的指针嘀嗒嘀嗒地走c.火车在笔直的轨道上行驶 d.汽车在平坦笔直的公路上行驶4、两个自然数相除，不能整除的时候，它们的商可以用（ ）来表示。a、分数 b、整数 c、自然数 d、质数5、至少用（ ）个同样的大小的正方体可以拼成一个大正方体。a、 4 b、 8 c、 6 d、12儿童网站我是计算小能手。儿童网站一、把下面各分数约分。（10分）= = = 二、求最大公因数和最小公倍数。（需要用短除的用短除）（12分）18和24 13和7 35和30 8和16三、求表面积和体积。（8分）1.a=4dm b=6dm

4、h=5dm 2.a=8cm观察、操作能力我最棒！一、请画出下列图形的一条对称轴。（2分）二、画出三角形aob绕o点逆时针旋转90后得到的图形.（3分）趣味冲浪园 （每小题5分，共25分）1、一间长8米、宽6米、高2.8米的办公室，需要粉刷四壁，已知门窗共42平方米，需要粉刷的面积有多大？2、有两根铁丝，一根长15米，一根长18米，把它们截成同样长的小段，不许有剩余，每段最长有几米？3、一个正方体的棱长总和是36dm,它的体积是多少立方分米？4、五年级学生上体育课玩游戏，分成7人一组或8人一组都刚好分完，五年级至少有多少名学生？5、把一块棱长是20分米的正方体钢坯，锻造成高和宽都是厘米的长方体钢

5、材。锻造成的长方体钢材的长是多少米？勇闯智慧岛 挑战自我1、某数被5除余2，被6除余2，被7除也余2，这个数最小是多少？2、 将一个分数用5约分一次，用2约分两次，得 ，这个分数原来是多少？五年级下学期数学期中试题答案基础知识部分一、1、 6 12 82、 1 0 2 43、 4.8 5.89 5.894、 1 ab5、 56、 15 247、 扩大2倍8、9、 9010、 1二、1、2、3、4、5、三、1、d2、c3、b4、a5、b计算部分一、二、1、最大公因数是6，最小公倍数72。2、最大公因数是1，最小公倍数91。3、最大公因数是5，最小公倍数210。4、最大公因数是8，最小公倍数16。

6、三、1、表面积：（46+45+65）2=148 体积：456=1202、表面积：886=384 体积：888应用部分1、（86+62.8+82.8）2-4.2=132.42、最长3米3、3612=3分米 33327立方分米4、78=56名5、2分米=20厘米 （202020）（44）=500厘米=5米附加题1、567+2=2122、522=20 420=80 520=100小精灵儿童网cwa3p tgz7r4i30ka1dkaghn3xtkknbycudxqa7fhyi2chhi92tgkqcwa3ptgshls50clmtwn60eo8wgqv7xav2ohum32wgeauwydiawgm

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