Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 893 · 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. 1.96 × 93 =
2. 2.11 × 9 =
3. 3.91 × 99 =
4. 4.96 × 90 =
5. 5.107 × 92 =
6. 6.113 × 96 =
7. 7.985 × 966 =
8. 8.106 × 106 =
9. 9.9 × 9 =
10. 10.98 × 85 =
11. 11.13 × 7 =
12. 12.115 × 95 =
13. 13.975 × 999 =
14. 14.1009 × 1022 =
15. 15.12 × 8 =
16. 16.12 × 14 =
17. 17.12 × 14 =
18. 18.1004 × 1007 =
19. 19.95 × 87 =
20. 20.8 × 6 =
21. 21.91 × 87 =
22. 22.11 × 6 =
23. 23.98 × 86 =
24. 24.1005 × 1006 =
25. 25.972 × 960 =
26. 26.8 × 6 =
27. 27.997 × 991 =
28. 28.13 × 13 =
29. 29.101 × 98 =
30. 30.1033 × 1024 =
31. 31.9 × 7 =
32. 32.1037 × 1032 =
33. 33.111 × 93 =
34. 34.13 × 12 =
35. 35.1003 × 1008 =
36. 36.8 × 7 =
37. 37.8 × 9 =
38. 38.99 × 86 =
39. 39.1023 × 971 =
40. 40.8 × 8 =

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