What is a ratio?
Ratios & Proportions Ch.4 Test Review

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Mathematics
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5th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.
2.
FLASHCARD QUESTION
Front
How do you find the unit rate?
Back
To find the unit rate, divide the total quantity by the number of units. For example, if a store has 120 customers in 6 hours, the unit rate is 120 ÷ 6 = 20 customers per hour.
3.
FLASHCARD QUESTION
Front
What is the formula to find distance when speed and time are known?
Back
Distance = Speed × Time. For example, if Ernie travels at a constant speed and covers 195 miles in 3 hours, his speed is 195 ÷ 3 = 65 miles per hour.
4.
FLASHCARD QUESTION
Front
Convert 10 yards to feet.
Back
10 yards = 30 feet (since 1 yard = 3 feet).
5.
FLASHCARD QUESTION
Front
How many pints are in a gallon?
Back
There are 8 pints in a gallon.
6.
FLASHCARD QUESTION
Front
If a faucet drips 10 pints of water per minute, how many gallons does it drip in an hour?
Back
10 pints/min × 60 min = 600 pints in an hour. Since there are 8 pints in a gallon, 600 ÷ 8 = 75 gallons.
7.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal. For example, if a:b = c:d, then a/b = c/d.
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