Finding the Constant
Writing Equations
Dividing Fractions
Multiplying Fractions
100

x= 2

y= 5 

What is the constant and what equation can you use to find it?

 What is y/x? 

What is k= 2.5?

100

x: 1, 2, 3

y: 4, 8, 12

What is the y equation?

what is y=4x?

100

 1/2 ÷ 1/4

Remember the rule:

Keep, Change, Flip

What is 2?

100

1/3 X 1/2

What is 1/6?

200

In one six-cookie package of Nutterbutters, there is a total of  270 calories. 

If you eat 2 cookies, how many calories will you eat?

What is the K= in this problem?

What is 90 calories for 2 cookies?

what is k= 45?

200

x: 2, 4, 6

y: 10, 20, 30

What is the correct equation to find K?

How can I write the x= equation?

what is k= 5?

what is x= 1/5(y)?

200

3/4 ÷ 1/2

What is 1 and 1/2? or what is 3/2?

200

2/3 X 3/4

What is 1/2?

300

x = 9   l  x

Y = 36 l 16

What is the K?

What does the x equal in this problem?

what is k= 4?

what is X= 4?

300

X: 3, 5, 8

Y: 9, 15, 24

What is the y equation?

What is the x equation?

What is y=3x?

What is x=1/3(y)?

300

2 ÷ 1/3

What is 6?

300

A garden is 3/4 of an acre. 2/5 of the garden is planted with vegetables. What fraction of an acre is vegetables?

What is 3/10?

400

12 batteries weigh 1.8 pounds. What is the constant of proportionality (pounds per battery)?

What is 0.15?

400

X: 4, 6, 10

Y: 6, 9, 15

What are the 2 equations?

What is y=1.5x?

What is X=1/1.5(y)?

400

2/3 ÷ 4/5

What is 5/6?

400

Maria ran 5/8 of her usual distance. Her usual distance is 4/5 of a mile. How far did she run today?

What is 1/2?

500

A machine produces 150 widgets in 2.5 hours. What is the constant of proportionality (widgets per hour)?

What is 60?

500

The table shows x: 2, 5, 8

                        y: 7, 17.5, 28. 

What is the k?

How can I write the 2 equations?

What is k=3.5?

What is y=3.5x?

What is X=1/3.5(y)?

500

1.5 ÷ 2/3

What is 2 & 1/4? or 9/4?

500

A water tank is 2 & 1/4 feet tall. The water level is 2/3 of the way to the top. How high is the water?

What is 1.5 feet?

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