Topic 3- Multiplying Multi-Digit Whole Numbers

Powers of 10

100

75 X 1,000

75,000

200

54 X 10⁴

540,000

300

22 X 10¹

220

400

10^? X 374 = 3,740,000

10⁴

500

12,960 = 10¹ X ?

1,296

Multiply by 1 Digit

100

154 X 4 = 

616

200

13 X 3 =

39

300

159 X 5 =

795

400

462 X 4 =

1,848

500

987 X 9 =

8,883

Multiply 2 Digits by 2 Digits

100

24 X 13 =

312

200

56 X 22 =

1,232

300

78 X 21 =

1,638

400

88 X 90 = 

7,920

500

99 X 76 =

7,524

Multiply 3 Digits by 2 Digits

100

128 x 20 =

2,560

200

342 x 23 =

7,866

300

703 x 33

23,199

400

406 x 15 =

6,090

500

230 x 50 =

11,500