MATH

Adding Mixed Numbers

100

1 1/2 + 1 1/2 =

3 or 2 2/2

200

3 2/3 + 1 1/6=

3 4/6 + 1 1/6 = 4 5/6

300

5 2/8 + 4 2/3 

5 6/24 + 4 16/24= 9 22/24

400

3 3/4 + 2 1/3 =

3 9/12 + 2 4/12 = 6 1/12 or 5 13/12

500

2 1/10 + 3 20/100= 

2 10/100 + 3 20/100= 5 30/100 or 5 3/10

Adding Decimals

100

8.9 + 1.0=

9.9

200

12.87 + 11.02=

23.89

300

43.47 + 15.67=

59.14

400

62.03 + 64.97 = 

127.00

500

127.45 + 132.68= 

260.13

Subtracting from $1

100

$1.00 - $0.67 =

$0.33

200

$1.00 - $0.80 =

$0. 20

300

$1.00 - $ 0.89 = 

$0.11

400

$1.00 - $0.76= 

$0.24

500

$1.00 - $0.08=

$0.92 

Subtracting Decimals

100

4.25 - 1.00 =

3.25

200

52.51 - 10.00 =

42.51

300

51.90 - 2.80 =

49.10

400

6.98 - 6.09 =

0.89

500

20.00 - 13.01 =

6.99

Adding and Subtracting Fractions

100

1/2 +1/2 =

2/2 or 1 whole

200

3/4 - 1/40 =

29/40

300

2 2/10 +  3 8/10 =

6

400

2/10 + 30/100 =

20/100 + 30/100 = 50/100 or 1/2

500

4 3/4 - 1 1/4 =

3 2/4 or 3 1/2

Multiplying Fractions

100

1/2 x 1/2=

1/4

200

3/4 x 2/3 =

6/12 or 1/2

300

5/6 x 1/2 =

5/12

400

6/7 x 5/8= 

30/56 or 15/28

500

3/4 x 9/10= 

27/40