Rates, Unit Rates, Proportions
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rate?
Back
A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time.
2.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a rate in which the second quantity is one. For example, if you travel 150 miles in 5 hours, the unit rate is 30 miles per hour.
3.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal. For example, if 5/3 = x/24, then x is the number of ice cream cones sold.
4.
FLASHCARD QUESTION
Front
How do you find a unit rate from a total?
Back
To find a unit rate, divide the total quantity by the number of units. For example, if you have 150 miles and 5 gallons, divide 150 by 5 to get 30 miles per gallon.
5.
FLASHCARD QUESTION
Front
If 5 ice cream cones are sold for every 3 brownies, how many cones are sold if 24 brownies are sold?
Back
40 ice cream cones are sold.
6.
FLASHCARD QUESTION
Front
How do you calculate the cost per item?
Back
To calculate the cost per item, divide the total cost by the number of items. For example, if 5 ice cream bars cost $12.25, then each bar costs $2.45.
7.
FLASHCARD QUESTION
Front
What is the formula to find the total cost based on unit price?
Back
Total Cost = Unit Price x Quantity. For example, if hamburger costs $2 per pound and you buy 10 pounds, the total cost is $20.
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