What is a proportion?
Proportions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you determine if two ratios form a proportion?
Back
Two ratios form a proportion if the cross products are equal.
3.
FLASHCARD QUESTION
Front
If 13 out of 20 homes have a personal computer, how do you find the expected number of homes with a computer on a street with 60 homes?
Back
Set up a proportion: 13/20 = x/60, then solve for x.
4.
FLASHCARD QUESTION
Front
What is the formula to find the missing value in a proportion?
Back
If a/b = c/d, then ad = bc.
5.
FLASHCARD QUESTION
Front
How many sticks of pepperoni are needed for 36 pizzas if 14 sticks are needed for 28 pizzas?
Back
18 sticks.
6.
FLASHCARD QUESTION
Front
If Mr. Dulin runs 5 miles in 42 minutes, how long will it take him to run 25 miles?
Back
210 minutes.
7.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities by division.
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