Operations with Integers
Proportionality
Circles
Percent
Two Step Equations/ Expressions
100

8 - 9 = 

- 1

100





Explain:

Non-Proportional because it's not a straight line and does not go through the point (0,0).

100

Find the diameter of this circle: 

10 cm 

100

What is 50% of 19? 

9.5

100

4x = 20

5

200

-10 - 11 = 

- 21

200

Proportional, or not proportional? Explain. 

Not proportional. 
200

What is the radius of this circle?


4 cm 

200

How is 22% written as a decimal? 

0.22

200

4x + 6 = 30

6

300

12 - (-8) 

20

300

Proportional or not proportional? Explain. 


The unit rate is 1 1/2

300

What is the circumference of this circle? 

50.24 cm 

300

What is 25% of 100?

25

300

x/5 - 6 = 14

100

400

-6 x -6 

36

400

Stacie paid $54.50 for six pizzas. What was the cost per pizza?

$9.08

400

What is the circumference of this circle? 

113.04 in

400

What is 7/10 as a percent?

70%

400

Simplify the expression

5x - 4 + 10 + 9y + 16x 

21x + 9y + 6

500

-42/6

- 7

500

Coach is also getting chips for Taco Tuesday. One size of chips costs $3.84 for a 12 oz. bag, or the other size costs $3.57 for an 8.5 oz bag. Which one is the better buy?

12 oz bag because it's $0.32 per oz

500

The circumference of a circle is 18.84 inches. What is the diameter of the circle, to the rounded to the nearest inch?

6 inches 

500

What is 34% of $70?

$23.80

500

Write an equation for the following:

Four less than a number x is sixty four

X - 4 = 64