Multiplying Fractions
Operations with Decimals
Constant of Proportionality
Unit Rate
Writing Equations

Solve

12 x 1/2

6

Solve.

1.2 x 3

3.6

### 100

Find the Constant of Proportionality (k).

x | 1 | 2 | 3 | 4

y | 3 | 6 | 9 | 12

k = 3

### 100

Maria walks 12 miles in 3 hours. How many miles does she walk per hour?

4 miles per hour

The job paid $25 for every 2 hours of work. Write an equation that represents how much the job pays, y, for x hours of work. y = 12.5x ### 200 Solve 3/4 x 4 3 ### 200 Solve. 3.4 x 5 17 ### 200 Find the Constant of Proportionality (k). x | 11 | 9 | 4 | 2 y | 77 | 63 | 28 | 14 k = 7 ### 200 A pump moves 42 gallons in seven minutes. Find the unit rate. 6 gallons per minute ### 200 Ms. Pandolfi bought 6 ice cream cakes for$48 dollars.

Write an equation that represents the total cost, y, of x ice cream cakes.

y = 8x

Solve

2/3 x 4/10

4/15

Solve.

2.1 x 0.5

1.05

### 300

Find the Constant of Proportionality (k).

x |  5  |  7  |  9  | 12

y | 40 | 56 | 72 | 96

k = 8

### 300

You score 84 points in six games. How much do you score per game?

14 points per game

The cost of 3 tickets to the concert is $27. Find the constant of proportionality and write an equation for the problem. k = 9 y=9x ### 400 Solve 150 x 2/15 20 ### 400 Solve. 3.5 x 2.5 8.75 ### 400 Find the Constant of Proportionality (k). x | 30 | 20 | 5 | 0 y | 15 | 10 | 2.5 | 0 1/2 0.5 ### 400 A skydiver falls 144 feet in three seconds. How far does the skydiver fall per second? 48 feet per second ### 400 Brooke earned$34 for 4 hours of work.

Find the constant of proportionality and write an equation for the problem.

k = 8.5

y=8.5x

Solve

25 x 6/2

75

Solve.

7.3 x 2.3

16.79

### 500

Find the Constant of Proportionality (k).

x | 24 | 28 | 12 | 16

y |  6  |  7  |  3  | 4

1/4

.25

### 500

One bag of pretzels costs three dollars. Five bags of pretzels costs $10. Which has the lower unit price? Five bags of pretzels for$10