Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 871 · 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. 1.12 × 6 =
2. 2.13 × 11 =
3. 3.107 × 113 =
4. 4.108 × 93 =
5. 5.1009 × 989 =
6. 6.85 × 91 =
7. 7.13 × 14 =
8. 8.101 × 111 =
9. 9.6 × 6 =
10. 10.977 × 998 =
11. 11.90 × 89 =
12. 12.11 × 13 =
13. 13.977 × 977 =
14. 14.94 × 88 =
15. 15.95 × 99 =
16. 16.101 × 111 =
17. 17.93 × 94 =
18. 18.106 × 103 =
19. 19.101 × 87 =
20. 20.14 × 8 =
21. 21.96 × 98 =
22. 22.1036 × 1012 =
23. 23.104 × 98 =
24. 24.85 × 95 =
25. 25.105 × 102 =
26. 26.101 × 113 =
27. 27.9 × 9 =
28. 28.1012 × 998 =
29. 29.1020 × 1001 =
30. 30.112 × 99 =
31. 31.103 × 95 =
32. 32.996 × 961 =
33. 33.109 × 97 =
34. 34.1035 × 999 =
35. 35.95 × 99 =
36. 36.102 × 93 =
37. 37.91 × 99 =
38. 38.91 × 96 =
39. 39.91 × 90 =
40. 40.86 × 87 =

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