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Ratios
Unit Rate
Proportions
Word Problems
Vocabulary
100

Write the ratio as a fraction in simplest form: 8 to 30

What is 4/15

100
410 miles in 16 gallons
What is 25.63 miles/gallon
100

Do each pair of ratios form a proportion? 2/3 and 6/9

What is Yes. (18 = 18)

100

Julie was able to walk 16 miles through the park in 6 hours. How long will it take her to walk 24 miles through the park?

What is 9 hours

100

A ___________ is a comparison of two quantities by division.

Ratio.

200

Write the ratios of I's to amount of letters in the word "Mississippi"

What is 4/11

200

1500 words in 25 minutes

What is 60 words per minute

200
Do the ratios form proportions? 5/4 and 25/16
What is No (80;100)
200

The ratio of vanilla pudding to chocolate pudding in a banana split pie is 4 to 3. Olivia has 64 oz of vanilla pudding. How much chocolate pudding does she need?

What is 48 ounces.

200

Ratios that make the same comparison are __________.

Equivalent ratios.

300
Write the ratio as a fraction in simplest form: 66 inches to 72 inches
What is 11/12
300

$1.12 for 8.2 ounces

What is $.14 per ounce

300
Do the ratios form proportions? $8/20 lbs and $24/60 lbs
What is Yes (480 = 480)
300

If there are 1200 calories in an 8 oz piece of cheesecake, how many calories are in a 3 oz piece of cheesecake?

What is 450 calories

300

A _____________ is a comparison of two quantities that have different units.

Rate.

400
There are 140 students in 8th grade. If 80 of the students are girls, write the ratio of girls to boys in 8th grade.
What is 4/3
400
Which is the better buy? $3.29 for a 16-ounce bag of candy $2.99 for a 12-ounce bag of candy
What is $3.99 for 16-ounce bag = $0.21 per ounce
400
Do the ratios form proportions? 5 ft/7 s and 25 ft/ 49 s
What is No (245;175)
400

Annie bought 3 bags of special candy for $1.20. How much do 8 bags of candy cost?

What is $3.20

400

_________ are rates in which the second quantity is one.

Unit rates.

500

Write the ratio as a fraction in simplest form 30 seconds to 5 minutes

What is 6:1

500

Ethan can buy 4 CDs for $71.96 at CD Express or 9 CDs for $134.55 at Music Rox. Which has the better unit cost? How much is he saving per CD?.

What is Music Rox has the better buy (14.95 per CD). Ethan saved $3.04 per CD.

500
Do the ratios form proportions? 21 mi/6 h and 14.3 mi/ 3 hr
What is No (63;85.8)
500

The moats separating the people from the animals are 5 m wide for bears and 4 m wide for leopards. If the bears' moats is 4 m deep, how deep should the leopards' moat be?

What is 3.2 m for the leopards

500

A ______________ is a statement that two ratios or rates are equivalent.

Proportion.