Powers of 10
Multiplying by powers of 10
Big Multiplication with Basic Math Facts
Estimation
Multiplication
100

102

100

100

3 x 100

300

100

20 x 9

180

100

29 x 97

30 x 100 = 3,000

100

321 x 12

3,852

200

103

1,000

200

67 x 1,000

67,000

200

50 x 300

15,000

200

158 x 32

4,500-6,000

200

183 x 13

2,379

300

104

10,000

300

924 x 10

9,240

300

400 x 80

32,000

300

444 x 92

36,000-45,000

300

434 x 82

35,588

400

101

10

400

54 x 102

5,400

400

6,000 x 400

2,400,000

400

657 x 55

30,000-42,000

400

534 x 72

38,448

500

100

1

500

43 x 103

43,000

500

4,000 x 5,000

20,000,000

500

758 x 83

56,000-64,000

500

905 x 80

72,400

M
e
n
u