Math 8 Unit 3: Finding and Applying Unit Rates

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity per one unit of another quantity.
2.
FLASHCARD QUESTION
Front
How do you find a unit rate from a given total?
Back
To find a unit rate, divide the total quantity by the number of units. For example, if you earn $96 for mowing 8 lawns, the unit rate is $96 ÷ 8 = $12 per lawn.
3.
FLASHCARD QUESTION
Front
What does it mean if a graph does not go through the origin?
Back
If a graph does not go through the origin, it indicates a non-proportional relationship, meaning that the ratio of the two quantities is not constant.
4.
FLASHCARD QUESTION
Front
How can you determine if a relationship is proportional using a graph?
Back
A relationship is proportional if the graph is a straight line that passes through the origin (0,0).
5.
FLASHCARD QUESTION
Front
If water flows at a rate of 5 gallons every 25 seconds, how do you find the flow rate in gallons per second?
Back
To find the flow rate in gallons per second, divide the total gallons by the total seconds: 5 gallons ÷ 25 seconds = 0.2 gallons per second.
6.
FLASHCARD QUESTION
Front
What is the formula to calculate the distance traveled at a constant speed?
Back
The formula is Distance = Speed × Time.
7.
FLASHCARD QUESTION
Front
If Antonia types 408 words in 4 minutes, how do you find her typing speed in words per minute?
Back
To find the typing speed, divide the total words by the total minutes: 408 words ÷ 4 minutes = 102 words per minute.
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