Multiplying by 10, 100, or 1000
Round and Estimate
Decimal Multiplication
Multiplying Decimals
Multiply a decimal by a whole number
100

6.03 x 100=

603

100

0.87 x 412=

0.9 x 400= 360

100

7.8 x .3=

2.34

100

33.3 x 0.3=

9.99

100

34.6 x 9=

311.4

200

7.25  x 1,000=

7,250

200
0.79 x 51=

0.8 x 50= 40

200

6.99 x 21.6=

150.984

200

3 x 0.23=

0.69

200

56.3 x 22=

1,238.6

300

5.07 x 100=

507

300

45.3 x 4=

45 x 4=180

300

5.01 x 6=

30.06

300

0.78 x 5=

3.9

300

405 x 0.47=

190.35

400

4.23 x 1,000=

4,230

400

0.97 x 75=

1x75=75

400

45.30 x .55=

24.915

400

74.3 x 0.1 x 2.1=

15.603

400

9.32 x 16=

149.12

500

56.37 x 1,000=

56,370

500

0.12 x 5=

.1 x 5= .5

500

5.23 x 6.4=

33.472

500

3.2 x 2.8 x 6.1=

54.656

500

64.2 x 20=

1,284

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