Proportional Cross Products

Quiz
•
Mathematics
•
7th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Select ALL statements that support these two ratios being proportional.
Both cross-products are 216.
The cross-products are 96 and 486.
The cross-products are 144 and 324.
The simplified ratios are 4/6 and 6/9.
The simplified ratios are both 2/3.
Tags
CCSS.7.RP.A.2A
2.
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
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are two methods for determining whether two ratios are proportional? Make sure you select them BOTH.
Simplifying
Finding the reciprocal
Finding the cross-products
Adding them together
Tags
CCSS.7.RP.A.2A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we find cross-products?
Multiply the ratios diagonally.
Multiply the ratios horizontally.
Multiply the ratios vertically.
Multiply the ratios curvilinear-ly.
Tags
CCSS.7.RP.A.2C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the Cross Products are equal, then..................
the two ratios are NOT proportional.
the two ratios are proportional
Tags
CCSS.7.RP.A.2A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would the new equation be after using cross multiplication?
q = 2
q = 9
Tags
CCSS.7.RP.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the cross products are equal, then...
The two ratios are not proportional.
The two ratios are proportional.
Tags
CCSS.7.RP.A.2A
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