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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 simplest form and in all 3 ways: 5 to 3
5/3 , 5:3 , 5 to 3
200
Multiple
The product of a number and any other real number
200
Write the following equivalent rate: 240 miles/h = ? mi/min
4 mi/min
200
Solve the proportion: x/18=2/3
12
200
Solve the proportion: 15/5=x/10
30
200
Write the ratio in simplest form and in all 3 ways: 5/20
1/4, 1 to 4, 1:4
300
Equivalent Ratios
Equivalent ratios are ratios that have the same value.
300
Write the following as a unit rate: -34 m/8 sec
-4.25m/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 simplest form and in all 3 ways: 30:16
15/8, 15:8, 15 to 8
400
Equation
A mathematical sentence formed by setting two expressions equal to each other
400
Write the following equivalent rate: 105 min/game= ? h/game
1.75 h/ 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 and in all 3 ways: 15 to 51
5/17, 5:17, 5 to 17
500
Rate
A ratio of two quantities that have different units
500
Write the following equivalent rate: $5.97/yd= ?$/ft
$1.99/ft
500
Solve the proportion: x/29.4=5.5/4.2
38.5
500
Solve the proportion: 6.8/15.4=40.8/x
92.4
500
Write the ratio in simplest form and in all 3 ways: 80/36
20/9, 20:9, 20 to 9