2019-2020人教版四年级数学上册期末考试测试卷附答案
人体常识-2012年高考满分作文
学校 姓名
班级___________ 座位号
……装…………订…………线…………内…………不…………要…………答…………题……
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―、填空。(每空1分,共24分)
1.7860140500是(
)位数,它的最高位是( )位;8在( )位上,千万位上是( )。
),读作(
),
)。
2.由4个十亿,5个千万,4个百和4个一组成的数,写作(
省略万位后面的尾数约是( ),省略亿位后面的尾数约是(
3.两个因数的积是72,一个因数除以9,另一个因数不变,现在的积是( )。
4.一块长方形果园占地面积是5000平方米,(
)块这样的果园占地面积是1公
顷,(
)块这样的果园占地面积是1平方千米。
5.在下面的〇里填上“>”“<”或“=”
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50100〇51000 5900000000〇60亿
19×300〇30×180
738000〇74万
96070800000〇96078000000 14×500〇50×140
6.在算式□÷34=7……〇中,余数最大是( )。当佘数最大时,被除数是(
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)。
7.右图中,已知∠l=40°,那么∠2=( ),∠3=( )。
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),互相垂直的直线有( )。(填序号)
8.右图中,互相平行的直线有(
9.聪聪帮妈妈做家务,整理房间用15分钟,烧开水用
9分钟,沏茶用3分钟,扫地用2分钟,
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她做完这些事至少需用( )分钟。
二、选择。(将正确答案的序号填在括号里)(5分)
1.平行四边形有(
)对边分别平行。
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A.1组
B.2组 C.3组
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2.下面各数中,只读一个零的是( )。
A.8006400
B.8006004 C.8060004
3.两个数相除的商是6,如果被除数与除数都除以2,商是( )。
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A.12
B.6 C.3
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4.在计算437×25的时候,4×5表示( )。
A.4×5
B.40×5 C.400×5
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5.—种锅只能烙2张饼,两面都要烙,每面要3分钟,烙5张饼至少要(
A.10
B.15 C.30
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三、计算
Q
(29分)
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1.直接写出得数。(6分)
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32×3= 43×20= 780÷30= 80÷40=
250÷5= 420÷60= 170×20=
120×4=
660÷30= 63×5= 178÷30≈
62×40=
2.用竖式计算。(带★的要验算)(14分)
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821÷34=
106×45=
★286÷36=
248×25=
648÷57= ★27×360=
3.用你喜欢的方法计算。(9分)
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350÷14 420÷(7×4)
280÷35
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分钟。
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)
四、动手操作。(12分)
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1.用量角器量出下面Z1的度数,再画一个比它大30°的角。(3分)
2
.李新家刚建了新房子,要把自来水从主水管引到自己家,怎样做最节省水管?请画图表示。
(3分)
3.在下面的平行四边形中画出它的一条高,并标出这条高所对应的底;在下面的梯形中画出
它
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的一条高,并标出它的上底、下底和腰。(6分)
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五、下表是某校四年级同学某周末上网人数的统计表,根据统计表完成练习。(9分)
某校四年级同学某周末上网人数统计表
班级
人数
1.完成统计图。
四(1)班
40
四(2)班
35
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四(4)班
47
四(3)班
45
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2.本周末四年级四个班共有多少名同学上网?
3.对于这组数据,你有什么看法?
六、解决问题。(21分)
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1.一个养鸡场共有124只鸡,平均每层架子放31只鸡,需要几层架子才能放下?(3分)
2.汽车上山的速度为每小时36千米,行了5小时到达山顶,下山时按原路返回
只用了4小时。
汽车下山时平均每小时行多少千米?(3分)
3.得胜村
要种818棵樟树,已经种了218棵,剩下的要15天种完,平均每天要种多少棵?(3
分)
4.一块长方形的小麦地,长500米,宽400米。如果平均每公顷收小麦5吨,这块小麦
地能收
小麦多少吨?(4分)
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5.买3台电扇一共花了621元,再买16台这样的电扇,还要花多少钱?(4分)
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6.(4分)
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参考答案
一、1.十 十亿 亿 6
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2.4050000404 四十亿五千万零四百零四 405000万
41亿
3.8
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4.2 200
【解析】本题考查平方米、公顷和平方千米在实际应用中的单位换算。1公
顷=10000平方米,一块
长方形果园占地面积是5000平方米,10000÷5000=2(块),所以2
块这样的果园占地面
积是1公顷。而1平方千米=100公顷,所以2×100=200(块)这样的
果园占地面积是1平方
千米。
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5.< < > < < =
6.33 271 【解析
】本题考查除数是两位数的除法中余数与除数之间的关系。在有余
数的除法中,余数小于除数,而除数是
34,所以余数最大是33,当余数最大时,被除数=除
数×商+余数邓宇34×7+33=271。<
br>7.50° 130°
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8.c和e a和c或a和e
9.20 【解析】本题考查优化问题。要想使
时间用的最少,聪聪在整理房间时可以同时
烧开水,整理完房间之后再沏茶,扫地,一共用时15+3+
2=20(分钟)。
二、1.B
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2.B 【解析】本题考查大数的读法。8006400读作八百万六千四百;8006004读作
八百
万六千零四;8060004读作八百零六万零四,由此可知只有8006004只读一个零。
3.B 4.C 5.B
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三、1.96 860 26 2 50 7 3400 480
22 315 6 2480
2.24……5 4770 7……34
6200 11……21
9720
3.350÷14=350÷7÷2=50÷2=25
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420÷(7×4)=420÷7÷4=60÷4=15
280÷35=280÷7÷
5=40÷5=8
四、1.
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2.
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3.
五、1.
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2.40+35+455+47=167(名)
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3.应该减少上网时间,同学们
可以用上网的时间去学习或外出游玩放松一下。(答案合理
即可)
六、1.124÷31=4(层)
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2.36×5÷4=45(千米)
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3.(818-218)÷15=40(棵)
4.500×400=200000(平方米) 200000平方米=20公顷
20×5=100(吨)
5.621÷3×16=3312(元)
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6.(988-260)÷14=52(米)
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