What is a ratio?
Ratio and proportions Practice

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
2.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
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 'per'.
4.
FLASHCARD QUESTION
Front
How do you find the price per item?
Back
To find the price per item, divide the total cost by the number of items.
5.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant value (k) that relates two proportional quantities.
6.
FLASHCARD QUESTION
Front
If 4 basketballs cost $36, how do you calculate the cost per basketball?
Back
Divide the total cost ($36) by the number of basketballs (4) to get $9 per basketball.
7.
FLASHCARD QUESTION
Front
If Mike bought 4 pizzas for $68, what is the cost per pizza?
Back
Divide the total cost ($68) by the number of pizzas (4) to get $17 per pizza.
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