Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 164 · 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. 1.113 × 92 =
2. 2.1034 × 1001 =
3. 3.95 × 97 =
4. 4.995 × 980 =
5. 5.1034 × 986 =
6. 6.1032 × 987 =
7. 7.109 × 105 =
8. 8.7 × 9 =
9. 9.88 × 90 =
10. 10.108 × 106 =
11. 11.94 × 85 =
12. 12.13 × 12 =
13. 13.9 × 8 =
14. 14.8 × 6 =
15. 15.105 × 103 =
16. 16.105 × 87 =
17. 17.87 × 88 =
18. 18.110 × 112 =
19. 19.108 × 86 =
20. 20.14 × 6 =
21. 21.9 × 8 =
22. 22.112 × 103 =
23. 23.110 × 97 =
24. 24.89 × 99 =
25. 25.9 × 8 =
26. 26.8 × 7 =
27. 27.111 × 97 =
28. 28.97 × 85 =
29. 29.109 × 98 =
30. 30.115 × 106 =
31. 31.1006 × 1018 =
32. 32.7 × 6 =
33. 33.101 × 94 =
34. 34.1024 × 986 =
35. 35.97 × 91 =
36. 36.109 × 88 =
37. 37.7 × 6 =
38. 38.101 × 115 =
39. 39.1010 × 1001 =
40. 40.104 × 114 =

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