Vocabulary
Ratios
Rates
Proportions
Percentages
100
A comparison of two numbers (quantities)
What is a ratio
100

Two other ways to write the ratio 6/5.

What is 6 to 5, and 6 : 5

100

If you can complete 60 multiplication facts in 3 minutes, how many can you complete each minute?

What is 20 multiplication facts in 1 minute?

100

Solve the proportion: x/5 = 6/15

What is 2?

100

What is 50% of 38?

What is 19?

200

A ratio that compares two different types of measurements

What is a rate

200

If I have four circles, 2 triangles, and five squares. What is the ratio of squares to circles?

What is 5 to 4

200

How much can Julian run in an hour, if he can run 30 miles in 5 hours

What is 6 miles per hour

200

Will spent $6 downloading 5 songs to his iPhone. At this rate, how many songs could he download for $12?

What is 10 songs

200

What is 130% of 90?

What is 117?

300

A ratio using measurements, with 1 in the denominator

What is a unit rate?

300

What are three equivalent ratios to the ratio 2:3 ?

(Answers vary) Ex. What is 4:6, 8:12, 20:30, 200:300, etc.

300

If Natalia saved $42 in 5 days, how much does she save per day?

What is $8.40 a day

300

A gardener has five tomato vines that produce twenty tomatoes each day. How many vines would produce sixty tomatoes each day?

What is 15 vines

300

16% of what number is 25?

What is 156.25?

400

If two ratios have the same value when simplified, then they are called....

What is equivalent ratios

400

If I have four circles, 2 triangles, 2 ovals, and six squares. How many circles to all shapes do I have in simplest form?

What is 2 to 7

400
If 19 burgers cost $111.53, how much does one burger cost?

What is $5.87 for one burger?

400

The ratio of red tiles to black tiles is 4 to 6. If 24 red tiles were used to complete the project how many black tiles were used?

What is 36 black tiles

400

36% of what number is 5? (round your answer to the nearest tenth)

What is 13.9 (or 13.8)?

500
An equation that shows two ratios or rates are equal

What is a proportion

500

A pet store has 5 cats, 8 dogs, 3 rabbits, and 4 birds. What does the ratio 1/4 compare?

What is cats to all animals in simplest form.

500

Which is the better buy: 21 pencils for $2.31 or 55 pencils for $7.15? (Explain why)

What is 21 pencils for $2.31 ($0.11 per pencil vs $0.13)

500

There are 9 cups of sugar for 40 cookies. How many cups of sugar do I need for 20 cookies.

What is 4.5 cups of sugar

500

About what percentage is 45 out of 70? (round your answer to the nearest hundredth)

What is about 64.29%?

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