8th Period

Fractions

100

6/8 - 1/2

2/8 or 1/4

200

7/8 x 4/5

28/40 or 7/10

300

4/5 divided by 12/15

60/60 or 1

400

2/3 - 1/15

9/15 or 3/5

500

1/5 + 6/10

8/10 or 4/5

Decimals

100

4.50/9

.5

200

4.5 x 3.1

13.95

300

7.5 - 5.98

1.52

400

8.99 x 2

17.98

500

6.39/3

2.13

Equations

100

-9x  = -15x - 12

x = -2

200

25x  = -15x + 80

x = 2

300

Write the equation.

You have $200 in the bank.  You decide to save $20 each month.

y = 20x + 200

400

-4x + 5  = -6x - 17

x = -11

500

Write the equation

You are planning to go to a carnival.  There is a $5 admission fee and $3 per ride.

y = 3x + 5

Mean,Median Mode

100

Find the mean

10, 8, 7, 10, 5

mean is 8

200

Find the mode

22, 25, 31, 22, 27, 19

mode is 22

300

Find the mean

80, 95, 100, 85

mean is 90

400

Find the median

45, 63, 37, 89, 54

median is 54

500

Find the median

100, 90, 90, 100, 

median is 95

Percents

100

what is 40% of 50

20

200

what is 50% of 80

40

300

A pair of pants costs $50.  There is a sale for 20% off.  What is the price after the discount?

$40

400

It costs a store $400 to make a television.  The store marks the cost of the television up 50%.  What is the cost after the mark-up.

$600

500

what is 10% of 80

8