Solve Proportions Using Cross Products
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
What would the new equation be after using cross multiplication?
q = 2
q = 9
Tags
CCSS.HSA.REI.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the new equation after you cross multiply?
25x
4/25
Tags
CCSS.7.RP.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is NOT a correct way to find the missing number?
Check for a multiplication or division relationship
Use Cross Products (cross multiply)
Divide the top and bottom by the same number to simplify 3/12
Typing the two fractions into the calculator and letting it do the math
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the missing number for this proportion?
1
3
9
Tags
CCSS.7.RP.A.2B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using cross products:
5/6 = x/12
x = 10
x = 1
x = 12
x = 11
Tags
CCSS.7.RP.A.2B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3
4
5
6
Tags
CCSS.7.RP.A.2B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5
10
15
20
Tags
CCSS.7.RP.A.2B
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