Proportions Simple
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
If a/b = c/d, what is the cross-multiplication rule?
Back
The cross-multiplication rule states that a * d = b * c.
Tags
CCSS.5.NF.B.5B
3.
FLASHCARD QUESTION
Front
Solve the proportion: 3/4 = x/12
Back
x = 9.
Tags
CCSS.7.RP.A.2B
4.
FLASHCARD QUESTION
Front
What does it mean if two ratios are in proportion?
Back
It means that the two ratios express the same relationship between their quantities.
Tags
CCSS.6.RP.A.3A
5.
FLASHCARD QUESTION
Front
Solve the proportion: 5/x = 15/45
Back
x = 3.
Tags
CCSS.7.RP.A.2C
6.
FLASHCARD QUESTION
Front
What is the first step in solving a proportion?
Back
Identify the two ratios and set them equal to each other.
Tags
CCSS.7.RP.A.3
7.
FLASHCARD QUESTION
Front
Solve the proportion: 8/10 = x/25
Back
x = 20.
Tags
CCSS.7.RP.A.2B
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