Rates, Ratios, Proportions and Percents

Flashcard
•
Mathematics
•
8th - 11th Grade
•
Hard
+4
Standards-aligned
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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.2
CCSS.6.RP.A.1
2.
FLASHCARD QUESTION
Front
Define a proportion.
Back
A proportion is an equation that states that two ratios are equal.
Tags
CCSS.7.RP.A.2B
3.
FLASHCARD QUESTION
Front
What is the formula to calculate a percentage?
Back
Percentage = (Part/Whole) x 100.
4.
FLASHCARD QUESTION
Front
How do you convert a fraction to a percentage?
Back
To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100.
5.
FLASHCARD QUESTION
Front
What does it mean to find the percent of a number?
Back
Finding the percent of a number involves calculating how much of that number corresponds to a given percentage.
6.
FLASHCARD QUESTION
Front
If a jacket costs $85 and is on sale for 40% off, how much do you pay?
Back
You pay $51.
Tags
CCSS.6.RP.A.3C
7.
FLASHCARD QUESTION
Front
What is the average rate of speed?
Back
Average rate of speed is calculated by dividing the total distance traveled by the total time taken.
Tags
CCSS.6.RP.A.3B
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