Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 462 · 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. 1.86 × 86 =
2. 2.11 × 13 =
3. 3.11 × 11 =
4. 4.13 × 13 =
5. 5.114 × 88 =
6. 6.98 × 92 =
7. 7.995 × 974 =
8. 8.7 × 7 =
9. 9.11 × 6 =
10. 10.95 × 94 =
11. 11.87 × 99 =
12. 12.14 × 11 =
13. 13.112 × 93 =
14. 14.88 × 99 =
15. 15.92 × 88 =
16. 16.11 × 12 =
17. 17.92 × 89 =
18. 18.9 × 9 =
19. 19.104 × 97 =
20. 20.92 × 85 =
21. 21.9 × 9 =
22. 22.1031 × 998 =
23. 23.108 × 115 =
24. 24.103 × 112 =
25. 25.85 × 95 =
26. 26.109 × 114 =
27. 27.107 × 102 =
28. 28.1006 × 1005 =
29. 29.11 × 11 =
30. 30.13 × 9 =
31. 31.87 × 93 =
32. 32.972 × 981 =
33. 33.11 × 13 =
34. 34.115 × 91 =
35. 35.12 × 6 =
36. 36.86 × 92 =
37. 37.1012 × 990 =
38. 38.88 × 98 =
39. 39.94 × 95 =
40. 40.96 × 95 =

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