Proportional Relationships

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a proportional relationship?
Back
A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.
Tags
CCSS.7.RP.A.2A
2.
FLASHCARD QUESTION
Front
If 16 hot dogs are sold each minute, how many hot dogs are sold in 30 minutes?
Back
480 hot dogs.
3.
FLASHCARD QUESTION
Front
How do you find the unit rate?
Back
To find the unit rate, divide the total quantity by the number of units. For example, if 96 kayaks are rented in 8 hours, the unit rate is 96 ÷ 8 = 12 kayaks per hour.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
FLASHCARD QUESTION
Front
In a proportional relationship, if there are 3 boys for every 5 girls, how do you find the number of boys if there are 70 girls?
Back
Set up a ratio: 3 boys/5 girls = x boys/70 girls. Cross-multiply and solve for x to find that there are 42 boys.
Tags
CCSS.7.RP.A.2C
5.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
FLASHCARD QUESTION
Front
If a bag of trail mix has 2 M&Ms for every 10 raisins, how many raisins are in a bag with 18 M&Ms?
Back
90 raisins.
7.
FLASHCARD QUESTION
Front
What is the formula for finding the total amount in a proportional relationship?
Back
Total Amount = Unit Rate × Number of Units.
Tags
CCSS.7.RP.A.2B
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