
Finding Missing Values in Proportions

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Medium
+4
Standards-aligned

Amelia Wright
Used 2+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a proportion in the context of ratios?
Two ratios that are equivalent
A single ratio expressing a relationship
A comparison between different quantities
An equation involving addition of ratios
Tags
CCSS.6.RP.A.3A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two ratios are equivalent, what does it imply about their proportionality?
They are unrelated
They are definitely proportional
They might be proportional
They are not proportional
Tags
CCSS.6.RP.A.3A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify if the ratios 2:6 and 10:30 are proportional?
By subtracting one ratio from another
By cross multiplying
By dividing the first terms and the second terms
By adding the ratios
Tags
CCSS.7.RP.A.2A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does cross multiplication involve in checking proportions?
Multiplying diagonally opposite terms and comparing
Adding the products of the terms
Dividing each term by the corresponding term in the other ratio
None of the above
Tags
CCSS.4.NF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What result from cross multiplication confirms that two ratios are proportional?
The sums are equal
The differences are equal
The products are different
The products are equal
Tags
CCSS.7.RP.A.2A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find a missing value in a proportion using cross multiplication?
Multiply across and solve for the unknown
Add the known values and divide by the number of terms
Subtract the known values from each other
None of the above
Tags
CCSS.7.RP.A.2C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the missing value if the proportion is 4 to X and 12 to 36 using multiplication?
X = 3
X = 9
X = 6
X = 12
Tags
CCSS.7.RP.A.2B
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