Show:
1 by 1 Multiplication
2 by 1 Multiplication
2 by 2 Multiplication
3 by 2 Multiplication
100

7x0=

0

100

21x1=

21

100

10x10=

100

100

300x20=

6,000

200

5x3=

15

200

20x3=

60

200

12x11

132

200

900x30=

27,000

300

4x7=

28

300

45x2=

90

300

20x20=

400

300

750x20

15,000

400

9x5=

45

400

40x4=

160

400

25x45=

1,125

400

345x30=

10,350

500

9x8=

72

500

37x6=

222

500

56x34

1,904

500

479x32

15,328