Rates, Ratios and Unit Rates
Flashcard
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
+2
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 where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
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 the other item. For example, if you earn $90 for 5 hours of work, divide 90 by 5 to find the unit rate of $18 per hour.
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. It can be expressed in various forms, such as a fraction, with a colon, or with the word 'to'.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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 divisor (GCD). For example, the ratio 8:12 can be simplified to 2:3 by dividing both terms by 4.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
FLASHCARD QUESTION
Front
What is the difference between a ratio and a rate?
Back
A ratio compares two quantities of the same kind, while a rate compares two quantities of different kinds. For example, speed (miles per hour) is a rate, while the ratio of boys to girls in a class is a ratio.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.
Tags
CCSS.7.RP.A.2A
7.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, you can use cross-multiplication. For example, if you have a/b = c/d, then ad = bc.
Tags
CCSS.7.RP.A.2B
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