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Meanings
Ratios
Unit Rates
Equivalent Ratios
100

a comparison of two quantities using division

Ratio

100

There are five boys and three girls.  What is the ratio of boys to girls?

What is 5:3

100

The Unit Rate for 8:2

4/1

100

3:7 Name an equivalent ratio

6/14

200

a ratio that compares tow quantities measured in different units

Rate

200
There are 17 red balloons and 10 blue balloons.  What is the ratio of blue balloons to total balloons

10:27

200

John buys 10 apples for $2.  How many does one dollar buy?

5 apples

200

Which pair is equivalent: 3/6 and 4/7 or 5/30 and 6/36

5/30 and 6/36

300

ratios that name the same comparison

equivalent ratios
300

Five balls, 3 cones, and 8 rackets. What is the ratio of cones and rackets to balls?

11:5

300
Sally eats 4 hot dogs in 20 min.  Sam eats 3 in 12.  Who is eats faster? and how long does it take her/him to eat one?

Sam.  3 min. to eat one.

300

Are 30/3000 and 3/300 equivalent

yes

400

a rate in which the second quantity in the comparison is one unit

Unit Rate
400
say the ratio in two different ways- 20:15

20 to 15, 20/15

400

20/5, 40/10, 60/15.  What is the unit rate?

4/1

400

 Are 5/2 and 15/6 equivalent?

yes

500

a plane formed by a horizontal line called the x-axis and a vertical line called the y-axis

Coordinate plane

500

24 dogs and 24 mice.  What is the ratio of dogs to mice in simplest form?

1:1

500

64 students and 8 boats.  How many students on each boat?

8 boats

500

Are 3/14 and 8/28 equivalent?

NO