Math Final Review

Adding/ Subtracting Fractions

100

3/7+ 1/7

4/7

200

3/4-1/4

2/4

or

1/2

300

2/5+3/4=

23/20

or

1 and 3/20

400

1/2 + 3/4=

10/8

or

1 and 2/8

or 1 and 1/4

500

6/15 +4/15

10/15

or

2/3

Multiplying or Dividing Fractions

100

1/2 x 2/4

2/8 

or

1/4

200

3/4 divided by 2/3

9/8

or

1 and 1/8

300

1/3 x 1/3

1/9

400

3/8 divided by 1/2

6/8

or

3/4

500

8/10 x 4/10

32/100

or

8/25

Adding/Multiplying Decimals

100

$31.80

-

$20.77=

$126.40

200

$86.93

+

74.50=

$161.43

300

$47.29

-30.79

=

16.50

400

$7.45

x7 =

$52.15

500

$9.30

x5=

$46.50

Multiplication

100

822x9

7,398

200

876x7=

6,132

300

89x58

5,162

400

36x15

540

500

78x87

6,786

Misc.

100

5^5

3,125

200

10^3

1,000

300

1/5 of 25

5

400

2/5 of 100

40

500

divide

571 divided by 4

142 r 3