x10, x100, x1000
x0.1, x0.01
X a decimal
Adding Decimals
Subtracting Decimals
100
4 x 10

40

100

140 x 0.1

14

100

1.5 x 10

15

100

4.3 + 2.0

6.3

100
2.7 - 1.0

1.7

200

53 x 10

530

200
63 x 0.1

6.3

200

46.33 x 100

4633

200

3.5 + 4.1

7.6

200

4.9 - 3.6

1.3

300

49 x 100

4,900

300

3500 x 0.01

35.00

300

3.45 x 1,000

3,450

300

1.5 + 2.5

4

300

3.7 - 1.5

2.2
400

523 x 100

52,300

400

285 x 0.01

28.5

400

64.2 x 0.1

6.42

400

3.7 + 5.4

9.1

400
2.4 - 1.9

0.5

500

406 x 1,000

406,000

500

5 x 0.01

0.05

500

57.8 x 0.01

0.578

500
4.6 + 6.9

11.5

500

13.5 - 10.6

2.9

M
e
n
u