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Estimation
Decimal Multiplication
Whole Number Multiplication
100

Estimate the product of 3 x 47

150

100

30.1 x 2

60.2

100

80 x 60

4,800

200

Estimate the product of 4 x 107

400

200

4.7 x 8 =

37.6

200

50 x 45 =

2,250

300

Estimate the product of 56 x 82

4,800

300

10.3 x 6.1 =

62.83

300
21 x 87 =
1,827
400

Estimate the product of 15 x 3.8

80

400

32.1 x .9

28.89

400
35 x 68 =
2,380
500

Estimate the product of 16.5 x 53.4 

1,000

500

4.382 x .7 =

3.0674

500
127 x 64 =
8,128