Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 520 · 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. 1.91 × 93 =
2. 2.11 × 12 =
3. 3.101 × 106 =
4. 4.960 × 997 =
5. 5.1003 × 1011 =
6. 6.9 × 9 =
7. 7.8 × 8 =
8. 8.6 × 6 =
9. 9.992 × 996 =
10. 10.1009 × 1033 =
11. 11.86 × 94 =
12. 12.8 × 8 =
13. 13.104 × 96 =
14. 14.106 × 85 =
15. 15.107 × 86 =
16. 16.92 × 96 =
17. 17.96 × 91 =
18. 18.98 × 88 =
19. 19.11 × 14 =
20. 20.11 × 11 =
21. 21.8 × 9 =
22. 22.9 × 9 =
23. 23.13 × 14 =
24. 24.1038 × 1032 =
25. 25.982 × 996 =
26. 26.8 × 9 =
27. 27.8 × 6 =
28. 28.89 × 91 =
29. 29.991 × 987 =
30. 30.1039 × 974 =
31. 31.86 × 90 =
32. 32.97 × 93 =
33. 33.986 × 969 =
34. 34.1020 × 1013 =
35. 35.96 × 87 =
36. 36.113 × 107 =
37. 37.97 × 88 =
38. 38.7 × 8 =
39. 39.99 × 90 =
40. 40.97 × 87 =

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