Rates, Ratios, Percentages

Flashcard
•
Mathematics
•
6th - 7th Grade
•
Hard
+1
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, showing how many times one value contains or is contained within the other.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
FLASHCARD QUESTION
Front
What is a rate?
Back
A rate is a specific kind of ratio that compares two different units, such as miles per hour or cost per item.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
FLASHCARD QUESTION
Front
What is a percentage?
Back
A percentage is a way of expressing a number as a fraction of 100, often used to compare proportions.
4.
FLASHCARD QUESTION
Front
How do you calculate a percentage of a number?
Back
To calculate a percentage of a number, multiply the number by the percentage (as a decimal). For example, 35% of 70 is 70 * 0.35 = 24.5.
Tags
CCSS.6.RP.A.3C
5.
FLASHCARD QUESTION
Front
What does '25% off' mean?
Back
'25% off' means that the price is reduced by 25% of the original price. For example, if an item costs $48, a 25% discount would reduce the price by $12.
Tags
CCSS.6.RP.A.3C
6.
FLASHCARD QUESTION
Front
How do you find the original price after a discount?
Back
To find the original price after a discount, divide the sale price by (1 - discount rate). For example, if the sale price is $36 and the discount is 25%, the original price is $36 / 0.75 = $48.
Tags
CCSS.6.RP.A.3C
7.
FLASHCARD QUESTION
Front
What is the formula for calculating a unit rate?
Back
The formula for calculating a unit rate is: Unit Rate = Total Quantity / Number of Units. For example, if 3 pizzas cost $4.50, the unit rate is $4.50 / 3 = $1.50 per pizza.
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
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