Ratios and Proportional Relationships
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
+5
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, often expressed in the form 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 do you find a unit rate?
Back
A unit rate is found by dividing the quantity of one item by the quantity of another item, typically expressed per one unit of the second item.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
FLASHCARD QUESTION
Front
What is the unit rate of 120 miles in 2 hours?
Back
The unit rate is 60 miles per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
If the ratio of red apples to green apples is 4:3, how many green apples are there if there are 12 red apples?
Back
There are 9 green apples.
7.
FLASHCARD QUESTION
Front
What is the formula for finding a missing value in a proportion?
Back
If a/b = c/d, then ad = bc, where a, b, c, and d are the terms of the proportion.
Tags
CCSS.7.RP.A.3
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