Understanding Rates and Ratios
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rate?
Back
A rate is a ratio that compares two different kinds of quantities, often expressed as a quantity per unit of another quantity.
2.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
3.
FLASHCARD QUESTION
Front
How do you calculate a unit rate?
Back
To calculate a unit rate, divide the quantity of one item by the quantity of another item, resulting in a value per one unit.
4.
FLASHCARD QUESTION
Front
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
Back
102 words per minute.
5.
FLASHCARD QUESTION
Front
Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
Back
$1.25 per pound.
6.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
Area = π × (radius)^2.
7.
FLASHCARD QUESTION
Front
What is the area of a circle with a diameter of 6 cm?
Back
28.26 cm².
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