Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 338 · 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. 1.102 × 108 =
2. 2.7 × 7 =
3. 3.13 × 12 =
4. 4.111 × 85 =
5. 5.983 × 986 =
6. 6.12 × 12 =
7. 7.94 × 87 =
8. 8.88 × 98 =
9. 9.103 × 114 =
10. 10.14 × 9 =
11. 11.109 × 104 =
12. 12.85 × 93 =
13. 13.112 × 113 =
14. 14.98 × 97 =
15. 15.105 × 96 =
16. 16.104 × 107 =
17. 17.96 × 96 =
18. 18.97 × 92 =
19. 19.965 × 979 =
20. 20.87 × 99 =
21. 21.960 × 995 =
22. 22.96 × 86 =
23. 23.93 × 91 =
24. 24.1039 × 1039 =
25. 25.102 × 115 =
26. 26.101 × 103 =
27. 27.105 × 92 =
28. 28.86 × 93 =
29. 29.91 × 93 =
30. 30.91 × 89 =
31. 31.14 × 9 =
32. 32.11 × 9 =
33. 33.86 × 97 =
34. 34.93 × 86 =
35. 35.1001 × 1026 =
36. 36.14 × 6 =
37. 37.999 × 962 =
38. 38.12 × 11 =
39. 39.8 × 9 =
40. 40.87 × 96 =

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