Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 787 · 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 × 92 =
2. 2.14 × 14 =
3. 3.1013 × 1032 =
4. 4.108 × 98 =
5. 5.105 × 95 =
6. 6.12 × 6 =
7. 7.13 × 11 =
8. 8.102 × 99 =
9. 9.110 × 97 =
10. 10.105 × 109 =
11. 11.101 × 93 =
12. 12.108 × 92 =
13. 13.993 × 960 =
14. 14.1011 × 1023 =
15. 15.109 × 107 =
16. 16.9 × 9 =
17. 17.94 × 93 =
18. 18.108 × 85 =
19. 19.12 × 7 =
20. 20.11 × 6 =
21. 21.102 × 97 =
22. 22.109 × 87 =
23. 23.91 × 97 =
24. 24.108 × 102 =
25. 25.87 × 89 =
26. 26.114 × 96 =
27. 27.99 × 97 =
28. 28.98 × 91 =
29. 29.12 × 8 =
30. 30.11 × 8 =
31. 31.107 × 101 =
32. 32.87 × 87 =
33. 33.91 × 95 =
34. 34.9 × 9 =
35. 35.1021 × 990 =
36. 36.102 × 105 =
37. 37.14 × 9 =
38. 38.1032 × 965 =
39. 39.6 × 8 =
40. 40.974 × 966 =

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