Math Vocabulary
Ratios
Rates
Proportions
Scale
100

A comparison of two quantities. It can be written in three different ways. 

-As a fraction, using a colon (:), and using the word "to".

What is a ratio?

100

The ratio of 14 red marbles to 20 blue marbles in simplest form. 

What is 7 red/10 blue?

100

The unit rate of 180 miles in 3 hours.

What is 60 miles per 1 hour?

100

The number of girls in a classroom of 12 boys if there are 2 boys for every 1 girl.

What is 6 girls?

100

The actual distance if the map distance is 3 inches. 

(2 inches: 25 miles)

What is 37.5 miles?

200

A ratio comparing two different units. 

What is a rate?

200

14 red marbles 

20 blue marbles


The ratio of blue marbles to total marbles in simplest form. 

What is 510 blue/ to 17 total.

200

The unit rate for 420 miles on 15 gallons. 

What is 28 miles per 1 gallon?

200

The number of pages read in 7 minutes if Paul can read 5 pages in 4 minutes.

What is 8.75 (or 9) pages?

200

The number of feet on the actual house if measured as 2 inches on the drawing. 

(1 inch: 1.5 feet)

What is 3 feet?

300

A ratio of two different measurements where the second measurement is 1. 

What is unit rate?

300

12 cats

20 dogs

The ratio of cats tot total pets in simplest form.

What is 3 cats/ 8 total?

300

The unit rate for $6.75 for 15 songs. 

What is $0.45 for 1 song?

300

The amount of pounds 4 boxes weigh if 3 boxes of baseball cards weight 90 pounds. 

What is 120 pounds?

300

The length of the drawing when the actual length is 66 feet.

(0.25 inches: 6 feet)

What is 2.75 inches?

400

An equation stating that two ratios (fractions) are equal. 

What is a proportion?

400

6 soccer balls

26 basketballs

The ratio of basketballs to total balls in simplest form. 

What is 13 basketballs/ 16 total.

400

The unit rate of $5.46 for 7 apples.

What is $0.78 per for 1 apple?

400

The number of chaperones on a field trip to New York with a total of 297 students.

 (2 chaperones: 11 students)

What is 54 chaperones?

400

The drawing length if the actual length is 40 feet.

(0.5 inches: 10 feet)

What is 2 inches?

500

The relationship between a measurement on a model and the corresponding measurement on the actual object.

What is scale?

500

4 red marbles

7 blue marbles

3 yellow marbles

The ratio of red and yellow marbles to total marbles in simplest form. 

What is 1 red and yellow/ 2 total. 

500

The "better buy" between...

28 oz. for $1.96, or, 22 oz. for $1.32

What is the 22 oz. bottle for $1.32?

500

The number of students with an e-mail account out of a total of 315 total students. 

(3 have e-mail: 5 total students)

What is 189 students?

500

The actual length if the drawing length is 21 inches. 

(1 inch: 11 feet)

What is 231 feet?

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