Multiply a Decimal by a Whole Number
Divide by Powers of 10
Add/Subtract
Multiply
Multiply Again
100

3.64 x 10

36.4

100

64.3 ÷ 10

6.43

100

3.5 + 2

5.5

100

0.5 x 4

1

100

1.2 x 3

0.36

200

4.1 x 8 

32.8

200

546.7 ÷ 1000

0.5467

200

8.1 - 6.3

1.8

200

0.8 x 7

5.6

200

4.24 x 10

42.4

300

536.7 x 5

2683.5

300

6.03 ÷ 10

0.603

300

5 + 0.6 + 26.08

31.68

300

3.5 x 3

10.5

300

6.65 x 5

33.25

400

0.09 x 1,000

90

400

15 ÷ 100

0.15

400

20 - 9.41

10.59

400

0.32 x 2

0.64

400

32.1 x 8

256.8

500

0.409 x 9

3.681

500

4.56 ÷ 100

0.0456

500

100 - 10.99

89.01

500

1.2 x 5

6.0

500

8.46 x 2

16.92