What is a unit rate?

Unit 1 Review 7th grade

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.
2.
FLASHCARD QUESTION
Front
How do you calculate the area of a circle?
Back
Area = π × r², where r is the radius of the circle.
3.
FLASHCARD QUESTION
Front
What is the scale in a scale drawing?
Back
The scale is the ratio of the dimensions in the drawing to the actual dimensions. For example, a scale of 2 ft to 1 in means 2 feet in reality is represented as 1 inch in the drawing.
4.
FLASHCARD QUESTION
Front
If the cost of 4 gallons of gasoline is $11.56, what is the cost per gallon?
Back
Cost per gallon = Total cost / Number of gallons = $11.56 / 4 = $2.89.
5.
FLASHCARD QUESTION
Front
What is the relationship between cans of soda and ounces of pineapple juice in Jane's punch recipe?
Back
The equation is 16s = j, where s is the number of cans of soda and j is the ounces of pineapple juice.
6.
FLASHCARD QUESTION
Front
What does it mean if a ratio is not a unit rate?
Back
It means that the ratio does not simplify to a comparison of one quantity per one unit of another quantity.
7.
FLASHCARD QUESTION
Front
How do you convert feet to inches in a scale drawing?
Back
Multiply the number of feet by 12 to convert to inches.
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