Proportions and Unit Rate

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
How do you find the unit rate?
Back
To find the unit rate, divide the quantity by the number of units. For example, if you have 60 miles in 3 hours, the unit rate is 60 miles ÷ 3 hours = 20 miles per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
If 8 out of 20 homeowners have cable television, what is the ratio of homeowners with cable to total homeowners?
Back
The ratio is 8:20, which simplifies to 2:5.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
How do you set up a proportion to solve for an unknown?
Back
Set up a proportion by creating a fraction for each ratio and then cross-multiply to solve for the unknown.
Tags
CCSS.7.RP.A.2C
5.
FLASHCARD QUESTION
Front
What is the unit rate of gallons used per hour if 75 gallons are used in 6.25 hours?
Back
The unit rate is 12 gallons per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
If Hector paid $105 for 6 tickets, how do you find the cost per ticket?
Back
Divide the total cost by the number of tickets: $105 ÷ 6 = $17.50 per ticket.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
7.
FLASHCARD QUESTION
Front
How do you convert a rate to a unit rate?
Back
To convert a rate to a unit rate, divide both the numerator and denominator by the denominator.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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