Rates, Ratios, and Proportions
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, expressed as 'a to b' or a:b.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FLASHCARD QUESTION
Front
How do you simplify a ratio?
Back
To simplify a ratio, divide both terms by their greatest common divisor (GCD).
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
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
4.
FLASHCARD QUESTION
Front
How can you determine if two ratios form a proportion?
Back
Cross-multiply the ratios. If the products are equal, the ratios form a proportion.
Tags
CCSS.7.RP.A.2A
5.
FLASHCARD QUESTION
Front
What is the simplest form of the ratio 42 to 6?
Back
7:1
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
What is the simplest form of the ratio 27:12?
Back
9:4
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
Are the ratios 8 feet in 15 seconds and 16 feet in 40 seconds proportional?
Back
No, they are not proportional.
Tags
CCSS.7.RP.A.2A
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