Introduction to Ratios and Rates

A ratio is a

• comparison of two quantitities

• a comparison of two quantities with units

• a comparison of two quantities with units when the quantity in the denominator is 1

• the number in front of the variable in an expression or equation

Which of the following is NOT an example of a ratio?

• 3:1

• 3 and 1

• 3 to 1

• (3, 1)

What is the ratio of TRIANGLES TO SQUARES?

• 2:1

• 3:0

• 1:3

• 1:2

What is the ratio of TRIANGLES TO SQUARES?

• 1:4

• 4:1

• 3:1

• 1:3

Check the boxes of the ratios that ARE EQUIVALENT. (HINT: find a common denominator, and see if they are equal)

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• 
• 
• 

Fill in the missing value

Fill in the missing value

Fill in the missing value

For every 1 cup of flour, 5 batches of cookies can be made.

How many batches of cookies can be made with 5 cups of flour?

• 5 batches of cookies

• 10 batches of cookies

• 15 batches of cookies

• 25 batches of cookies

A rate is a

• comparison of two quantitities

• a comparison of two quantities with units

• a comparison of two quantities with units when the quantity in the denominator is 1

• the number in front of the variable in an expression of equation