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2019年小学六年级下册数学解比例题

2019年小学六年级下册数学解比例题
班级______姓名______ 一、填空题。

1.判断两个比能不能组成比例,要看()。

2.18:6=24:()=()÷3=()%。

3.甲数是乙数的1.5倍,用最简单的整数比表示():()。

4.在一个比例中,两个内项的积是最小的合数,一个外项是,另一个外项是()。

5.在一个比例里,两个外项互为倒数,其中一个内项是4.5,另一个内项是()。

6.在一个比例中,两个外项的积是最大的两位数,其中一个内项是33,另一个内项是()。

7.在比例3:12=6:24中,如果将第一个比的后项加6,第二个比的前项应(),比例才能成立。

8.在比例尺是1:xx000的地图上,量得甲地到乙地的距离是7厘米,实际距离是
()千米。

二、判断题。

1.两个比可以组成一个比例。

()
2.任意两圆各自的周长和直径的比才都可以组成比例。

()
3.在一张地图上,4厘米表示实际距离200米,这幅地图的比例尺是1:50。

()
4.x:16=7:6,求x的值叫做解比例。

()
5.在比例里,两个外项的积与两个内项积的差是0。

()
6.在比例尺是8:1的图纸上,2厘米的红段表示零件实际长16厘米。

()
三、计算题。

1.解比例。

2.依照条件列比例,再解比例。

(1)最小的质数与最大的一位数的比等于与x的比。

(2)最小的两位数与最大的两位数的比等于3与x的比。

(3)最小的质数与最小的合数的比等于分子是1的最大真分数与x的比。

四、应用题。

1.在比例尺是1:6000000的中国地图上,量得上海到南京的铁路长是5厘米,一列火车从南京开往上海用了8小时,求火车的速度。

2.一个轴承图的比例尺是4:1,如果在图上量行长是34厘米,实际长是多少?
3.一列火车以每小时70千米的速度从北京开往韶山,20小时后到达,在地图上量得两地间的距离为35厘米,请你算算这幅地图的比例就。

参考答案
一、填空题。

1.它们的比值是不是相等。

2. 893003.3:26.37.减28.140
二、判断题。

1.错误2.正确3.错误4.正确5.正确6.错误
三、计算题。

2. (2)10:99=3:x x=29.7 x=1
四、应用题。

1.解:设南京到上海的实际距离为x厘米,x=3000000030000000厘米=30千米,300÷8=37.5千米/小时
2.解:设实际长度为x厘米,
x=8.5
3.70×20=1400千米,1400千米=140000000厘米,35:140000000=1:4000000
附送:
2019年小学六年级下册期中英语水平测试题 (I)
一.选择最合适的答案。

(10%)
()1.Sarah is sick. What shouldn’t Sarah do?
A:Have some rest. B:See a doctor.
C:Take some medicine. D:Go swimming.
()2.How do you feel?
_____.
A:I went to a park with my parents.
B:I take some medicine and drink hot drinks.
C:I feel better now.
D:I feel you are right.
()3.Why are you so sad?
_____
A:I am going on a trip tomorrow.
B:I failed my Chinese test.
C:We are going to have a football match.
D:We won the game.
()4.. ----How are you, Mike? You look so________.
----It's raining outside. I can't play football.
A. happy
B. excited
C. sad
()5..----Sam is 160cm tall. Ted is 10cm shorter than him. How tall is Ted?
A. 150cm
B. 160cm
C. 170cm
二读句子,判断正“√”,误“×”10%
()1. She has the flu. ()2. John went swimming last Saturday.
()3. Chen Jie went skiing on her holiday. ()4. Amy watered the flowers yesterday.
()5. John climbed a mountain last summer holiday.
三.写出下列各词的比较级10
Heavy _____thin _____big _____funny_____small_____
四.读一读,选择正确答句20%
( ) 1. Does she teach math? A. I am 160 cm tall.
( ) 2. How tall are you? B. I feel sick.
( ) 3. How do you feel? C. I went to Xinjiang by bus. ( )4. What did you do last weekend? D. Yes, she does.
( ) 5. How did you go to Xinjiang on your holiday? E. I visited my grandparents. ( ) 6. What day is it today? F. It's Wednesday.
( ) 7. Where did you go yesterday? G. It's on January 1st.
( ) 8. Is she playing the violin now? H. e in, please.
( ) 9. May I e in? I. I went to Shanghai yesterday.
( ) 10. When is your birthday? J. Yes, she is.
五.组词成句,注意题后标点。

(10%)
1. are, you, than, me, shorter (_____.)
2.
you, heavy, are, how (_____ ? )
3. yesterday, they, room, cleaned, the (_____ . )
4. hands, my, bigger, are, yours, than (_____ . )
5. did, do, weekend, what, you, last (_____ ? )
六. 补全对话,(把答案写在横线上)20%
A:What did you do yesterday? B:How did you go there?
C;What day is today? D:What did you do there?
E:What day was yesterday?F:Did you play puter game with your cousin? G:Yes ,I did.
A: _____?
B:It was Saturday.
A: _____?
B:I went to visit my cousin.
A; _____?
B:I went by bike.
A: _____?
B:I played puter game with my cousin.
A:Did you eat good food in your cousin’s home?
B: _____. It was delicious.
七..阅读下列短文,判断正“√”误“×”。

10%
Sam: Hello, Ted. You look perfect. You are fit now. How heavy are you?
Ted: I’m 50 kg. You are thinner than me. You look taller than before. How tall are you, Sam? Sam: I’m 165 cm and 45 kg.
Ted: Oh, you are 10 cm taller than me. But you are 5 kg thinner than me. Please eat more.
Sam: Yes. I want to be as fit as you.
( ) 1. Sam is taller than Ted. ( ) 2. Ted is 155 cm tall.
( ) 3. Ted is 40 kg. ( ) 4. Sam is heavier than Ted.
( ) 5. Ted wants to be taller and heavier
八.写作.假如上个星期你和你的同学去郊游,请用英语描述一下你们都做了什么,心情怎样。

至少五句话。

10%
小学教育资料
好好学习,天天向上!
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