1. Ratio & Unit Rate

2. A ratio is a comparison of two numbers or measures using division.
A ratio can be written three ways:
3:5 3/ to 5
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3. What ratios can we form from the tiles above?
A ratio is the comparison of two numbers
What ratios can we form from the tiles above?
12 to 8
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4. Create as many ratios as possible
Create as many ratios as possible. Write each ratio three different ways.
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5. Unit Rate “How much for just 1?”
To find the Unit Rate, you would find the cost or amount for 1. YOU NEED TO TURN IT INO A CRISS-CROSS MULTIPLY PROBLEM.
“How much for just 1?”
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6. Unit Rate If it costs $78 for 13 sandwiches, What is the unit rate?
$ = 𝑋 1
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7. The cost of a 12-ounce box of Cheerios is $3. 29
The cost of a 12-ounce box of Cheerios is $3.29. Publix brand Cheerios cost $4.89 for an 18-ounce box. Find the unit rate to find the better buy.
$ = 𝑋 1
$ = 𝑋 1

8. Mile per Gallon
M.P.G. stands for miles per gallon and is usually used for gas mileage in cars.
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9. Unit Rate
If it takes 11 gallons to drive 250 miles, What is the unit rate or m.p.g.?
250 𝑀𝐼𝐿𝐸𝑆 11 𝐺𝐴𝐿𝐿𝑂𝑁𝑆 = 𝑋 𝑀𝐼𝐿𝐸𝑆 1 𝐺𝐴𝐿𝐿𝑂𝑁

10. X=22.7 mpg
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