What is a ratio?
Unit 7 Review (Ratios, Rates, Proportions, and Percents)

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Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
2.
FLASHCARD QUESTION
Front
How do you write a ratio?
Back
Ratios can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or in words (e.g., '3 to 4').
3.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
4.
FLASHCARD QUESTION
Front
How do you determine if two ratios form a proportion?
Back
Cross-multiply the ratios. If the products are equal, the ratios form a proportion.
5.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.
6.
FLASHCARD QUESTION
Front
How do you find the unit rate from a given quantity?
Back
To find the unit rate, divide the total quantity by the number of units.
7.
FLASHCARD QUESTION
Front
What is the percent of a number?
Back
The percent of a number is a ratio that compares a number to 100. It is calculated by multiplying the number by the percent and dividing by 100.
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