Rates Unit Rate Proportions Review

A rate is a ratio that compares 2 different_______________________________.

• people

• units/measurements

• fractions

• denominators

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator

• bottom number

• fraction

• denominator

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

• 10 to 13

• 23 to 13

• 13 to 10

• 23 to 10

The instructions on a bottle of orange squash says to a mix of one part of squash with three parts of water. Choose the correct way of writing this as a ratio.

• 3:1

• 1:3

• 1:4

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 5

• 6

• 7

• 8

Find the unit rate.

18 houses on 2 blocks = ________ houses per block

• 8

• 6

• 9

• 10

Which operation do you use to solve for unit rate?

• Multiplication

• Division

• Addition

• Subtraction

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar

• 6 cookies per dollar

• 9 cookies per dollar

• 1/9 dollars per cookie

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  Are the ratios equivalent?

• yes, equivalent

• no, not equivalent