Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 101 · 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. 1.93 × 91 =
2. 2.1016 × 1006 =
3. 3.1003 × 1021 =
4. 4.1039 × 1025 =
5. 5.8 × 9 =
6. 6.102 × 102 =
7. 7.6 × 8 =
8. 8.8 × 9 =
9. 9.975 × 963 =
10. 10.90 × 85 =
11. 11.982 × 989 =
12. 12.86 × 90 =
13. 13.966 × 970 =
14. 14.12 × 8 =
15. 15.1038 × 1022 =
16. 16.102 × 108 =
17. 17.109 × 97 =
18. 18.6 × 8 =
19. 19.115 × 92 =
20. 20.13 × 14 =
21. 21.975 × 966 =
22. 22.105 × 89 =
23. 23.96 × 96 =
24. 24.14 × 13 =
25. 25.103 × 109 =
26. 26.14 × 11 =
27. 27.9 × 6 =
28. 28.14 × 13 =
29. 29.97 × 97 =
30. 30.108 × 109 =
31. 31.105 × 108 =
32. 32.1017 × 1035 =
33. 33.7 × 8 =
34. 34.11 × 12 =
35. 35.14 × 11 =
36. 36.12 × 8 =
37. 37.104 × 111 =
38. 38.1017 × 994 =
39. 39.1010 × 969 =
40. 40.13 × 11 =

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