Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 48 · 40 sums

The trick (Nikhilam Navatashcaramam Dashatah): Write how far each number is from the base (− if below, + if above). Left part: cross-add — one number plus the other’s difference. Right part: multiply the two differences; it must have as many digits as the base has zeros (carry the extra). One above and one below? The right part is negative: take 1 from the left part and write base − that amount.

1. 1.98 × 94 =
2. 2.112 × 114 =
3. 3.8 × 9 =
4. 4.87 × 97 =
5. 5.8 × 7 =
6. 6.13 × 11 =
7. 7.108 × 109 =
8. 8.105 × 93 =
9. 9.14 × 13 =
10. 10.6 × 6 =
11. 11.114 × 104 =
12. 12.1012 × 968 =
13. 13.8 × 8 =
14. 14.12 × 8 =
15. 15.11 × 6 =
16. 16.6 × 7 =
17. 17.106 × 101 =
18. 18.6 × 7 =
19. 19.103 × 89 =
20. 20.12 × 12 =
21. 21.13 × 13 =
22. 22.85 × 85 =
23. 23.14 × 8 =
24. 24.110 × 101 =
25. 25.1038 × 1032 =
26. 26.101 × 113 =
27. 27.111 × 113 =
28. 28.105 × 85 =
29. 29.108 × 96 =
30. 30.115 × 114 =
31. 31.102 × 106 =
32. 32.86 × 85 =
33. 33.11 × 9 =
34. 34.90 × 86 =
35. 35.111 × 112 =
36. 36.113 × 102 =
37. 37.994 × 992 =
38. 38.98 × 90 =
39. 39.115 × 89 =
40. 40.14 × 6 =

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