学校 姓名 班级___________ 座位号 ……装…………订…………线…………内…………不…………要…………答…………题……
This article includes so me parts, including text, pictures, and design.―、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。This article includes some parts, including text, pictures, and de
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（ ）。This article includes some parts, including A.12 B.6 C.3This article includes some parts, including text, pictures, and de
4.在计算437×25的时候，4×5表示（
）。
A.4×5 B.40×5 C.400×5This article includes some parts, including text, pictures, and de
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.30This article includes some parts, including text, pictures, and de
三、计算Q（29分）
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1.直接写出得数。（6分）This article includes some parts, including text, pictures, and de
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）This article includes some parts, including text, pictures, and de
821÷34＝ 106×45＝ ★286÷36＝
248×25＝ 648÷57＝ ★27×360＝
3.用你喜欢的方法计算。（9分）This article includes some parts, including text, pictures, and de
350÷14 420÷（7×4） 280÷35
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分钟。text, pictures, and de
）
四、动手操作。（12分）
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This article includes some parts, including text, pictures, and de1.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
This article includes some parts, including text, pictures, and de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 This article includes some parts, including text, pictures, and de
四（4）班 47 四（3）班 45 3 / 8
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）This article includes some parts, including text, pictures, and de
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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This article includes some parts, including text, pictures, and de5.＜ ＜ ＞ ＜ ＜ ＝
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。
7.50° 130°
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This article includes some parts, including text, pictures, and de8.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 97203.350÷14＝350÷7÷2＝50÷2＝25
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This article includes some parts, including text, pictures, and de 420÷（7×4）＝420÷7÷4＝60÷4＝15280÷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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This article includes some parts, including text, pictures, and de2.36×5÷4＝45（千米）
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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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