Proportions and Cross Multiply
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the proportion.
k=5
k=3.3333333
k=60
k=90
Tags
CCSS.7.RP.A.2B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cross Multiply/Cross Products
15
420
28
16
Tags
CCSS.7.RP.A.2B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the proportion.
p=31.3
p=308
p=924
p=532
Tags
CCSS.7.RP.A.2C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which ratio below is proportional to the ratio 5/6?
6/5
50/75
25/30
12/10
Tags
CCSS.7.RP.A.2A
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10
5
20
15
Tags
CCSS.7.RP.A.2C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can you solve this proportion?
Divide 30 by 8, then multiply by 12
Cross multiply 12 x 8, then divide by 30
Cross multiply 8 x 30, then divide by 12
Tags
CCSS.7.RP.A.2C
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Select ALL statements that support these two ratios being proportional.
Both cross-products are 400.
The cross-products are 160 and 1000.
The cross-products are 250 and 640.
The simplified ratios are 5/8 and 25/40.
The simplified ratios are both 5/8.
Tags
CCSS.7.RP.A.2A
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