
比与比例
Authored by CHIN Moe
Mathematics
5th Grade
CCSS covered
Used 10+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是不正确的?
12 :15 = 2 :5
10 :40 = 1 :4
21 :30 = 7 :10
16 :14 = 8 :7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
p : 10 = 2 : 5 。计算 p 的值 。
2
4
5
7
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
哪些是最简分数的比?
1:3
2:18
5:8
7:21
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
伟亨和家辉身高的比是7:8。伟亨的身高是133cm,家辉的身高是多少cm?
142
152
162
172
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
参加舞蹈班的人数和参加华文学会的人数的比是 1 : 4。参加华文学会的人数比舞蹈班的多了45个,有多少个人参加华文学会?
90
80
70
60
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
六年级青班有18名男生。该班男生人数和女生人数的比是3:4。计算六青班的学生总数。
16
24
40
50
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
幸福小区里有 225 个男居民和 175 个女居民。幸福小区里的男居民人数和女居民人
数的比是多少?
9:7
7:9
15:11
11:15
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