Simplifying Fractions
Vocabulary
Percents of a quantity
Multiplication
Ratios
100
16/32
1/2
100

Constant of proportionality 

Rate of change

100

What is 20% of 300

60

100

566 X 30

16980

100
If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?
1:2
200
60/144
5/12
200

Area

The space inside

200

What is 15% of 100

15

200

654 x 0.10

65.4

200
Simplify: 16:4
4:1
300
4/12
1/3
300

Circumference 

The space around

300

What is 45% of 89

40.05

300

399 x 0.044

17.556

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

What letter represents rate of change

K

400
A 180 degree angle is called a ________ angle.
Straight
400

767 x 32

6903

400
Simplify: 144:60
12:5
500
180/240
3/4
500

A proportional relationship passes through this point on a graph

(0,0) or origin

500

what is 7% of 1134

79.38

500

68.89 X 3.14

216.314

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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