Simplifying Fractions
Graphing/Proportional Relationships
Substituting for Variables
Order of Operations
Ratios
100

9/27

1/3

100

Correctly label the x axis, y-axis and origin on a coordinate plane.

Horizontal axis: x-axis

Vertical axis: y-axis

Origin: (0,0)

100

x = -9, y = 6


Solve: x + 2y

3

100
(30/5) + 2 * 3^2 =
24
100

If there are 15 boys and 12 girls, what is the ratio of girls to boys in lowest form?

4:5

200

60/80

3/4

200

Plot (-7, 13) on a graph.

Should go left 7 and up 13.

200

u = 0, t = -5

Solve: u - t + 7

12

200
(5 * 3)6 + 8/2 - 6 +3 =
91
200
Simplify: 16:4
4:1
300

75/125

3/5

300

Plot (-5, -9) and (6, -2).

Should go left 5 and down 9.

Should go right 6 and down -2.

300

f = 11, j = 8, h = -2

Solve: jh - 11

-27

300

4 + 2(8^2 -4) - 20/2 =

114

300
Solve for x to make these proportional: 5/6 = x/36
x = 30
400
3/39
1/13
400

Plot (11, -4), (4, -4), and (11, 3) to form a triangle. What's the area?

24.5 square units

400

c = 6, m = 5, e = -21

Solve: c3 * 4 + e - m

838

400
5*2 + 10 -3 * 5^2 =
-55
400
Simplify: 144:60
12:5
500
180/240
3/4
500

Plot the points below and make a line. Is this graph proportional? Why?

(0,0)

(1, 3)

(2, 6)

(3, 9)

Yes, it's proportional because it goes up at a constant rate (is a straight line) and the line passes through the origin.

500

r = -7, s = 13, k = 52

Solve: r2 * s - k

585

500
5*4 (10*2) + 6 =
406
500
Last week Bill earned $210 for a 30-hour week. What was his pay rate? What would he have earned for a 40-hour week?
Pay rate = $7/hour In a 40-hour week Bill would have earned $280.
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