Ratios Rates and Unit Rates Representations

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Which of the following expresses a ratio?

• 2/3

• two-thirds

• 0.667

• 2.3

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9

• 9 to 7

Your brother has a bag of marbles.  He has 8 green marbles, 3 blue marbles, 7 red marbles, and 2 yellow marbles.  What is the ratio of blue marbles to red marbles?

• 3 to 8

• 3 : 7

• 2 to 7

• 2 : 3

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

If a printer can print 240 pages in 4 minutes, what is the unit rate of pages per minute?

• 60 pages/minute

• 50 pages/minute

• 70 pages/minute

• 40 pages/minute

If a car travels 300 miles in 5 hours, what is the unit rate of miles per hour?

• 60 miles/hour

• 55 miles/hour

• 65 miles/hour

• 75 miles/hour

A unit rate is a ratio in which the second quantity is 1.

• True

• False

A ratio with a denominator of one

• Ratio

• Unit Rate

• Scale Factor

What does "9 minutes to 5 miles" represent?

• Ratio

• Rate

• Unit Rate