What is a ratio?
Ratios, Unit Rates & Proportions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities by division, expressed as 'a to b' or as a fraction a/b.
2.
FLASHCARD QUESTION
Front
How do you simplify a ratio?
Back
To simplify a ratio, divide both terms by their greatest common divisor (GCD).
3.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.
4.
FLASHCARD QUESTION
Front
How do you find the unit rate from a total?
Back
To find the unit rate, divide the total quantity by the number of units. For example, 48 cookies in 4 batches gives a unit rate of 12 cookies per batch.
5.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
6.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply and then solve for the unknown variable.
7.
FLASHCARD QUESTION
Front
What is the formula for finding a unit rate?
Back
Unit Rate = Total Quantity / Number of Units.
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