Ratio & Proportion Challenge
Authored by 帛毅 林
Mathematics
7th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
解决比例3:5。
3:4
2:5
4:5
3:5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
确定比例4:7和8:14是否成比例。
不
有时候
是
不确定
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果5个芒果花费$10，8个芒果将花费多少钱？
$14
$18
$12
$16
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出等比例中的缺失值：2:5 = 6:x。
15
10
20
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
解决比例：3/4 = x/12。
9
6
15
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果2支钢笔花费$5，那么5支钢笔会花费多少钱？
$12.50
$7
$10
$15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
确定比例2:3和4:6是否等价。
不确定
是的
有时候
不
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