What is a ratio?
Ratios, Rates, and Unit Rates

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•
Mathematics
•
6th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed in the form a:b or a/b.
2.
FLASHCARD QUESTION
Front
How can a ratio be expressed?
Back
A ratio can be expressed in three ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).
3.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'x per 1 unit of y'.
4.
FLASHCARD QUESTION
Front
How do you calculate a unit rate?
Back
To calculate a unit rate, divide the quantity by the number of units. For example, if a person earns $20.40 in 3 hours, the unit rate is $20.40 ÷ 3 = $6.80 per hour.
5.
FLASHCARD QUESTION
Front
What is the simplified form of the ratio 35:14?
Back
The simplified form of the ratio 35:14 is 5:2.
6.
FLASHCARD QUESTION
Front
If a field trip costs $60 for 20 bags of popcorn, what is the cost per bag?
Back
The cost per bag is $60 ÷ 20 = $3 per bag.
7.
FLASHCARD QUESTION
Front
What is the relationship between ratios and rates?
Back
A rate is a specific type of ratio that compares two different kinds of quantities, such as distance to time (e.g., miles per hour).
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