Unit Rate and Rates
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
Standards-aligned
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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 when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FLASHCARD QUESTION
Front
How do you calculate the unit rate?
Back
To calculate the unit rate, divide the total quantity of one item by the total quantity of another item. For example, if you pay $15 for 6 gallons of gasoline, the unit rate is $15 ÷ 6 = $2.50 per gallon.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a relationship between two numbers indicating how many times the first number contains the second.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
How do you express a ratio?
Back
A ratio can be expressed in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or in words (e.g., '2 to 3').
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
FLASHCARD QUESTION
Front
What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?
Back
The ratio of dogs to all pets is 2:11.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
What is an equivalent ratio?
Back
Equivalent ratios are two or more ratios that express the same relationship between numbers. For example, 1:2 and 2:4 are equivalent ratios.
Tags
CCSS.6.RP.A.3A
7.
FLASHCARD QUESTION
Front
How can you find an unknown value using equivalent ratios?
Back
You can set up a proportion using the known ratios and solve for the unknown value by cross-multiplying.
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