Definitions
Equivalent Rates
and Unit Rates
Solve the Proportion
Solve the Proportion II
Ratios
100
Ratio
A ratio uses division to compare two numbers.
100
Write the following as a unit rate: 18 degrees/6 mins
3 degrees/1 min
100
Solve the proportion: 4/3=8/x
6
100
Solve the proportion: 5/2=20/x
8
100

Write the ratio in ratio form: 5 to 3

 5:3 

200
Multiple
The product of a number and any other real number
200

Write the following equivalent rate: 240 miles/6hr = ? mi/hr

40 mi/hr

200
Solve the proportion: x/18=2/3
12
200
Solve the proportion: 15/5=x/10
30
200

Write the ratio in word form: 5/20

5 to 20

300

Proportion

An equation stating that two ratios are equal.

300

Write the following as a unit rate: 32 miles/8 sec

4miles/1 sec

300
Solve the proportion: 7/3=42/x
18
300
Solve the proportion: 3/4=x/28
21
300

Write the ratio in fraction form: 30:16

30/16

400
Equation
A mathematical sentence formed by setting two expressions equal to each other
400

Write the following equivalent rate: 105 points/5 games= ? points/1 game

21 points/1 game

400
Solve the proportion: 4/15=16/x
60
400
Solve the proportion: 3/8=x/72
27
400

Write the ratio in simplest form: 15 to 20

3/4

500
Rate
A ratio of two quantities that have different units
500

Write the following equivalent rate: $54/6yd= ?$/ 1yd

$9/1yd

500

Solve the proportion: x/51= 3/17

9

500

Solve the proportion: 72/48= 9/x

6

500

Write the ratio in simplest form: 80/36

20/9, 20:9, 20 to 9

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