Show:
Doubling & Halving
Ratio Table
Over/Under
Four Partial Products
Standard Algorithm
100

12 x 14 =

168

100

14 x 23 =

322

100

19 x 24 =

456

100

23 x 14 =

322

100

34 x 26 =

884

200

16 x 18 = 

288

200

18 x 25 = 

450

200

32 x 49 =

1,568

200

34 x 27 =

918

200

47 x 35 =

1,645

300

24 x 36 =

864

300

32 x 27 = 

864

300

38 x 27 =

1,026

300

46 x 38 =

1,748

300

58 x 67 =

3,886

400

28 x 44 = 

1,232

400

36 x 48 = 

1,728

400

44 x 59 = 

2,596

400

57 x 64 =

3,648

400

76 x 84 =

6,384

500

48 x 76 = 

3,648

500

47 x 68 = 

3, 196

500

67 x 98 = 

6,566

500

78 x 89 = 

6,942

500

89 x 97 =

8,633