Proportional Relationships
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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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.
2.
FLASHCARD QUESTION
Front
Define unit rate.
Back
A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.
3.
FLASHCARD QUESTION
Front
If the ratio of folders to journals is 4 to 5 and there are 28 folders, how do you find the total number of materials?
Back
First, find the total parts in the ratio (4 + 5 = 9). Then, find the value of one part (28 folders / 4 parts = 7). Finally, multiply the value of one part by the total parts (9 parts * 7 = 63 materials).
4.
FLASHCARD QUESTION
Front
What is the unit rate if a table shows 100 miles in 5 hours?
Back
The unit rate is 20 miles per hour (100 miles / 5 hours).
5.
FLASHCARD QUESTION
Front
How do you calculate the unit price of an item?
Back
To calculate the unit price, divide the total cost by the number of units (e.g., $3.75 for 3 pounds of granola = $1.25 per pound).
6.
FLASHCARD QUESTION
Front
What does it mean if two rates are equivalent?
Back
Two rates are equivalent if they represent the same relationship between two quantities, meaning they have the same unit rate.
7.
FLASHCARD QUESTION
Front
If Samantha drives at 30 miles per hour and Tracy drives 60 miles in 2 hours, how do you compare their speeds?
Back
Convert Tracy's speed to miles per hour: 60 miles / 2 hours = 30 miles per hour. Both drive at the same speed.
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