1. So You Want To Learn Lattice Multiplication?
Lattice multiplication is an excellent extension/enrichment for beginners, or help for remedial students.
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2. 43 x 92

3. 9 2

4. 3 4 2 9 7 2

5. 3 4 3 2 9 6 7 2

6. 4 3 3 2 9 6 7 2 6

7. 3 4 3 2 9 6 7 2 8 6

8. 3 2 9 6 7 2 8 6

9. 3 2 9 6 7 2 8 6 6

10. 1 3 2 9 6 7 2 8 6 6 5

11. 1 3 2 9 6 7 2 9 8 6 6 5

12. 3 2 9 3 6 7 2 9 8 6 6 5

13. 3 2 9 3 6 7 2 9 8 6 6 5

14. 43 x 92
= 3,956

15. Another example
68 x 79

16. 7 9

17. 8 6 4 7 2 9

18. 8 6 4 7 2 5 9 4

19. 8 6 4 5 7 2 6 5 9 4

20. 6 8 4 5 7 2 6 5 7 9 4 2

21. 4 5 7 2 6 5 7 9 4 2

22. 4 5 7 2 6 5 7 9 4 2 2

23. 1 4 5 7 2 6 5 7 9 4 2 2 7

24. 1 1 4 5 7 2 6 5 7 9 3 4 2 2 7

25. 1 4 5 7 5 2 6 5 7 9 3 4 2 2 7

26. 4 5 7 5 2 6 5 7 9 3 4 2 2 7

27. 68 x 79
= 5,372

28. A harder example
510 x 46

29. 5 1 4 6

30. 5 1 2 4 6

31. 5 1 2 4 4 6

32. 5 1 2 4 4 6

33. 5 1 2 4 4 6

34. 5 1 2 4 4 6 6

35. 5 1 2 4 4 3 6 6

36. 5 1 2 4 4 3 6 6

37. 5 1 2 4 4 3 6 6

38. 5 1 2 4 4 3 6 6 6

39. 5 1 2 4 4 3 6 6 4 6

40. 5 1 2 4 4 3 6 3 6 4 6

41. 5 1 2 4 2 4 3 6 3 6 4 6

42. 5 1 2 4 2 4 3 6 3 6 4 6

43. 510 x 46
= 23,460

44. Can you do this?
357 x 8

45. 3 5 7 8

46. 3 5 7 2 4 5 8 4 6

47. 3 5 7 2 4 5 8 4 2 6 6 8 5

48. 357 x 8 = 2,856

49. Try this one!
21 x 94

50. 9 4

51. 1 9 8 9 4 8 4

52. 1 1 9 1 8 9 4 9 8 4 4 7

53. 21 x 94 = 1,974