Add/Subtract Negative Numbers
Adding Decimals
Subtracting Decimals
Multiplying Decimals
100

-5 + 2

-3

100

0.6 + 0.2

0.8

100

0.6 - 0.2

0.4

100

0.2 x 0.6

0.12

200

8 - 3

5

200

1.2 + 4.72

5.92

200

4.72 - 1.20

3.52

200

0.5 x 0.5

0.25

300

-14 + 17

3

300

3.09 + 5.61

8.70 or 8.7

300

5.61 - 3.09

2.52

300

1.2 x 0.3

0.36

400
10 - (-7)

17

400

7.1 + 8.04

15.14

400

8.04 - 7.1

0.94

400

0.4 x 0.9

0.36

500

-13 - (-4)

-9

500

9 + 0.46

9.46

500

9 - 0.46

8.54

500

0.1 x 0.6

0.06