Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 83 · 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. 1.1010 × 984 =
2. 2.110 × 106 =
3. 3.989 × 976 =
4. 4.6 × 8 =
5. 5.9 × 6 =
6. 6.7 × 9 =
7. 7.115 × 114 =
8. 8.113 × 113 =
9. 9.12 × 12 =
10. 10.14 × 7 =
11. 11.1029 × 1019 =
12. 12.87 × 97 =
13. 13.104 × 112 =
14. 14.104 × 107 =
15. 15.87 × 90 =
16. 16.107 × 103 =
17. 17.1010 × 1016 =
18. 18.13 × 6 =
19. 19.92 × 92 =
20. 20.995 × 999 =
21. 21.87 × 89 =
22. 22.98 × 85 =
23. 23.85 × 97 =
24. 24.94 × 95 =
25. 25.94 × 92 =
26. 26.14 × 11 =
27. 27.103 × 106 =
28. 28.8 × 9 =
29. 29.1007 × 984 =
30. 30.11 × 11 =
31. 31.93 × 92 =
32. 32.104 × 85 =
33. 33.1027 × 1014 =
34. 34.107 × 87 =
35. 35.14 × 11 =
36. 36.104 × 110 =
37. 37.106 × 101 =
38. 38.11 × 14 =
39. 39.1018 × 1025 =
40. 40.9 × 7 =

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