Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 15 · 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. 1.90 × 93 =
2. 2.1003 × 990 =
3. 3.93 × 86 =
4. 4.8 × 7 =
5. 5.98 × 98 =
6. 6.104 × 88 =
7. 7.107 × 96 =
8. 8.975 × 983 =
9. 9.114 × 104 =
10. 10.13 × 9 =
11. 11.13 × 14 =
12. 12.113 × 106 =
13. 13.6 × 6 =
14. 14.113 × 115 =
15. 15.115 × 93 =
16. 16.1008 × 1034 =
17. 17.965 × 995 =
18. 18.975 × 960 =
19. 19.7 × 7 =
20. 20.85 × 88 =
21. 21.101 × 86 =
22. 22.13 × 9 =
23. 23.11 × 12 =
24. 24.960 × 969 =
25. 25.89 × 96 =
26. 26.101 × 87 =
27. 27.99 × 90 =
28. 28.107 × 109 =
29. 29.11 × 8 =
30. 30.8 × 8 =
31. 31.6 × 9 =
32. 32.14 × 6 =
33. 33.96 × 97 =
34. 34.107 × 113 =
35. 35.101 × 98 =
36. 36.91 × 89 =
37. 37.88 × 96 =
38. 38.114 × 112 =
39. 39.108 × 111 =
40. 40.96 × 94 =

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