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 factor (GCF).
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, use cross-multiplication to find the unknown value.
5.
FLASHCARD QUESTION
Front
What is the formula for finding the unit rate?
Back
The unit rate is found by dividing the first quantity by the second quantity, expressed as 'quantity per 1 unit of another quantity.'
6.
FLASHCARD QUESTION
Front
If 4 apples cost $2, what is the cost of 1 apple?
Back
$0.50 per apple.
7.
FLASHCARD QUESTION
Front
What does it mean if two ratios are proportional?
Back
It means that the two ratios represent the same relationship or rate.
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