Ratios, Proportions, Unit Rates, and Percents
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
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15 questions
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1.
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
2.
FLASHCARD QUESTION
Front
How do you convert yards to feet?
Back
To convert yards to feet, multiply the number of yards by 3, since 1 yard equals 3 feet.
Tags
CCSS.4.MD.A.1
3.
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
4.
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 5 books cost $15, the unit rate is $15 ÷ 5 = $3 per book.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
FLASHCARD QUESTION
Front
What is a percent?
Back
A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.
6.
FLASHCARD QUESTION
Front
How do you calculate the percent of a quantity?
Back
To calculate the percent of a quantity, divide the part by the whole and then multiply by 100. For example, if 225 out of 250 seats are sold, the percent sold is (225 ÷ 250) × 100 = 90%.
7.
FLASHCARD QUESTION
Front
What is the formula for finding the total number of items when given a percent?
Back
If you know the percent and the number of items that corresponds to that percent, you can find the total number of items by dividing the part by the percent (in decimal form).
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