What is a ratio?
Ratios and Proportions

Flashcard
•
Mathematics
•
7th 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 simplify a ratio?
Back
To simplify a ratio, divide both terms by their greatest common divisor (GCD).
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 solve a proportion?
Back
To solve a proportion, cross-multiply and then divide to find the unknown value.
5.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per'.
6.
FLASHCARD QUESTION
Front
How do you find the unit rate from a ratio?
Back
To find the unit rate, divide the first quantity by the second quantity.
7.
FLASHCARD QUESTION
Front
What is the formula to find a percentage of a number?
Back
To find a percentage of a number, multiply the number by the percentage (in decimal form).
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