What is a unit rate?
1/3/24 practice 2-1 Ratios, Rates, and Unit Rates

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if you earn $50 for 2 hours of work, the unit rate is $25 per hour.
2.
FLASHCARD QUESTION
Front
How do you calculate a unit rate?
Back
To calculate a unit rate, divide the total amount by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.
3.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other. It can be expressed as a fraction, with a colon, or with the word 'to'.
4.
FLASHCARD QUESTION
Front
How do you simplify a ratio?
Back
To simplify a ratio, divide both terms of the ratio by their greatest common factor (GCF). For example, the ratio 18:24 can be simplified to 3:4 by dividing both terms by 6.
5.
FLASHCARD QUESTION
Front
What is the boy:girl ratio in a class with 15 boys and 20 girls?
Back
The boy:girl ratio is 15:20, which simplifies to 3:4.
6.
FLASHCARD QUESTION
Front
How do you express a ratio as a fraction?
Back
To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator. For example, the ratio 18:3 can be expressed as 18/3.
7.
FLASHCARD QUESTION
Front
What is the unit price?
Back
The unit price is the cost per single unit of a product. For example, if an eight-pack of bottled water costs $4.00, the unit price is $4.00 ÷ 8 = $0.50 per bottle.
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