Show:
Standard Algorithm
Box method
Distributive property
Partial products
Ratio tables
100

14 x 18

252

100

29 x 35

1,015

100

16 x 22

352

100

17 x 19 

323

100

20 x 63

1,260

200

23 x 26

598

200

41 x 43

1,763

200

19 x 24

456

200

36 x 38

1368

200

15 x 64

960

300

36 x 47

1,692

300

57 x 41 

2,091

300

28 x 36

1,008

300

49 x 49

2,401

300

62 x 26 

1,612

400

66 x 48

3,168

400

84 x 67

5,628

400

55 x 42

2,310

400

38 x 42

1596

400

61 x 25

1,525

500

93 x 88

8,184

500

89 x 76

6,764

500

99 x 61

6,039

500

74 x 26

1,924

500

60 x 24

1,440