
Rates, Ratios, and Proportions
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you have 624 calories in 3 servings, the unit rate is 208 calories per serving.
2.
FLASHCARD QUESTION
Front
How do you find the unit rate from a total amount?
Back
To find the unit rate, divide the total amount by the number of units. For example, to find the unit rate of 624 calories in 3 servings, divide 624 by 3, which equals 208 calories per serving.
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. For example, the ratio of 5 dogs to 3 cats can be written as 5:3.
4.
FLASHCARD QUESTION
Front
How do you write a ratio?
Back
A ratio can be written in three ways: using a colon (5:3), as a fraction (5/3), or with the word 'to' (5 to 3).
5.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal. For example, if the ratio of dogs to cats is 5:3 and there are 25 dogs, you can set up a proportion to find the number of cats.
6.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, you can cross-multiply and then divide. For example, if you have 5/3 = 25/c, you would cross-multiply to get 5c = 75, then divide by 5 to find c.
7.
FLASHCARD QUESTION
Front
What is the ratio of birds to total animals if there are 4 birds and 6 snakes?
Back
The ratio of birds to total animals is 4 to 10, which can be simplified to 2 to 5.
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