Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 265 · 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. 1.1021 × 979 =
2. 2.92 × 95 =
3. 3.110 × 85 =
4. 4.963 × 961 =
5. 5.7 × 9 =
6. 6.11 × 9 =
7. 7.115 × 110 =
8. 8.105 × 106 =
9. 9.96 × 97 =
10. 10.92 × 94 =
11. 11.6 × 7 =
12. 12.114 × 109 =
13. 13.6 × 9 =
14. 14.99 × 93 =
15. 15.11 × 8 =
16. 16.93 × 96 =
17. 17.108 × 93 =
18. 18.88 × 97 =
19. 19.114 × 112 =
20. 20.90 × 94 =
21. 21.12 × 13 =
22. 22.106 × 113 =
23. 23.8 × 9 =
24. 24.14 × 14 =
25. 25.110 × 113 =
26. 26.12 × 14 =
27. 27.12 × 8 =
28. 28.86 × 90 =
29. 29.94 × 91 =
30. 30.91 × 86 =
31. 31.95 × 93 =
32. 32.1025 × 1025 =
33. 33.1026 × 1014 =
34. 34.12 × 8 =
35. 35.14 × 13 =
36. 36.114 × 106 =
37. 37.87 × 99 =
38. 38.1018 × 1003 =
39. 39.98 × 87 =
40. 40.990 × 964 =

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