Show:
Box Method
2 digit x 1 digit
2 digit x 1 digit **
3 digit by 1 digit
100

242 x 2

484

100

23 x 2

46

100

23 x 4

92

100

234 x 2

468

200

375 x 3

1,125

200

34 x 3

102

200

36 x 3 

108

200

421 x 3 

1,263

300

458 x 4 

1,832

300

42 x 3 

126

300

45 x 7 

315

300

545 x 4 

2,180

400

567 x 5 

2,835

400

50 x 7

350

400

78 x 6

468

400

679 x 5 

3,395

500

634 x 6

3,804 

500

84 x 2 

168

500

89 x 6

534

500

745 x 6

4,470