Equations
Percent
+ and - negatives
Fractions
Proportions
100

9x=63

x=7

100

put 0.10 in to a percent

10%

100

100+-19

81

100

what is 20% as a fraction

20/100 or 1/5

100

What is the constant of Proportionality in the equation y=4x?

4

200

4c+3=23

5

200

put 4/80 in to percent

5%

200

-9876 - 8

-9884

200

What is 4/6 + 1/3

6/6 or 1

200

If I sold 2 bracelets for $4.00, what is the unit rate?

$2.00 per bracelet

300

6=2(y+2)

1

300

what is 0.99 as percent

99%

300

65+-7

58

300

What is 1/3 x 2/6

2/18 or 1/9

300

Looking at the graph, what is the constant of proportionality?

$15

400

2x+15=-3x

-3=x

400

what is 0.009 as percent

0.9%

400

6555+5554

12,109

400

is 13/18 bigger then 1/2

YES

400

How do you find the constant of proportionality from a table?

y divided by x

500

2(x+5)-7=3(x-2)

9

500

is 0.30 equal to 300%

NO

500

-98+9(-42+p)

9p-476

500

is 1/2 bigger then 1/4

YES

500

Write the equation for the following situation:

Deshawn took a total of 12 quizzes over the course of 2 weeks. After a school vacation, he took 18 quizzes over the span of 3 weeks. (x represents the number of weeks, y represents the number of quizzes taken)

y=6x