4th Period

Fractions

100

6/20 - 1/5

2/20 or 1/10

200

7/10 x 4/3

28/30 or 14/15

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

Distributive property

100

8(3x - 10)

24 x - 80

200

7(8x + 4)

56 x + 28

300

7(3x + 90)

21x + 630

400

10(10 - 7x)

100 - 70x

500

6(6x + 9)

36x + 54

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 20% of 50

10

200

what is 50% of 70

35

300

A shirt costs $50.  There is a sale for 40% off.  What is the price after the discount?

$30

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