Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 396 · 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. 1.12 × 11 =
2. 2.1005 × 1009 =
3. 3.105 × 114 =
4. 4.89 × 95 =
5. 5.9 × 6 =
6. 6.91 × 99 =
7. 7.8 × 9 =
8. 8.8 × 9 =
9. 9.996 × 960 =
10. 10.103 × 87 =
11. 11.6 × 6 =
12. 12.960 × 963 =
13. 13.113 × 103 =
14. 14.8 × 6 =
15. 15.108 × 88 =
16. 16.102 × 99 =
17. 17.11 × 13 =
18. 18.91 × 86 =
19. 19.1040 × 1040 =
20. 20.6 × 6 =
21. 21.11 × 13 =
22. 22.99 × 85 =
23. 23.86 × 85 =
24. 24.106 × 114 =
25. 25.115 × 108 =
26. 26.95 × 92 =
27. 27.93 × 90 =
28. 28.109 × 94 =
29. 29.9 × 6 =
30. 30.115 × 111 =
31. 31.7 × 6 =
32. 32.105 × 97 =
33. 33.97 × 97 =
34. 34.8 × 8 =
35. 35.91 × 92 =
36. 36.7 × 9 =
37. 37.107 × 97 =
38. 38.108 × 107 =
39. 39.86 × 91 =
40. 40.101 × 96 =

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