Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 525 · 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. 1.1014 × 1025 =
2. 2.991 × 997 =
3. 3.96 × 88 =
4. 4.12 × 11 =
5. 5.107 × 94 =
6. 6.94 × 96 =
7. 7.99 × 89 =
8. 8.14 × 9 =
9. 9.11 × 14 =
10. 10.105 × 110 =
11. 11.92 × 99 =
12. 12.94 × 97 =
13. 13.106 × 88 =
14. 14.1038 × 1009 =
15. 15.96 × 96 =
16. 16.1010 × 1026 =
17. 17.12 × 14 =
18. 18.1011 × 967 =
19. 19.114 × 87 =
20. 20.93 × 93 =
21. 21.9 × 9 =
22. 22.6 × 6 =
23. 23.87 × 93 =
24. 24.101 × 108 =
25. 25.108 × 109 =
26. 26.88 × 90 =
27. 27.104 × 114 =
28. 28.8 × 8 =
29. 29.7 × 8 =
30. 30.110 × 103 =
31. 31.111 × 89 =
32. 32.91 × 92 =
33. 33.113 × 104 =
34. 34.85 × 88 =
35. 35.14 × 11 =
36. 36.8 × 7 =
37. 37.98 × 87 =
38. 38.1012 × 1002 =
39. 39.99 × 97 =
40. 40.14 × 9 =

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