What is a ratio?
Ratios, Unit Rates, Proportions

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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
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' something (e.g., miles per hour).
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 are equivalent?
Back
Two ratios are equivalent if they simplify to the same fraction or if their cross products are equal.
5.
FLASHCARD QUESTION
Front
If 3:5 is equivalent to x:20, what is x?
Back
x = 12 (because 3/5 = x/20, so x = (3/5) * 20).
6.
FLASHCARD QUESTION
Front
What is the formula to find a unit rate?
Back
Unit Rate = Total Quantity / Number of Units.
7.
FLASHCARD QUESTION
Front
If 5 apples cost $3, what is the cost of 1 apple?
Back
$0.60 (because $3 / 5 apples = $0.60 per apple).
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