Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 183 · 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. 1.111 × 111 =
2. 2.96 × 95 =
3. 3.105 × 107 =
4. 4.97 × 91 =
5. 5.6 × 6 =
6. 6.99 × 89 =
7. 7.6 × 8 =
8. 8.85 × 97 =
9. 9.96 × 86 =
10. 10.9 × 9 =
11. 11.106 × 103 =
12. 12.970 × 997 =
13. 13.115 × 94 =
14. 14.11 × 9 =
15. 15.109 × 115 =
16. 16.105 × 91 =
17. 17.98 × 85 =
18. 18.101 × 113 =
19. 19.8 × 7 =
20. 20.90 × 88 =
21. 21.105 × 92 =
22. 22.13 × 14 =
23. 23.102 × 101 =
24. 24.97 × 94 =
25. 25.112 × 99 =
26. 26.114 × 99 =
27. 27.98 × 89 =
28. 28.9 × 7 =
29. 29.11 × 11 =
30. 30.93 × 98 =
31. 31.99 × 98 =
32. 32.12 × 7 =
33. 33.12 × 9 =
34. 34.9 × 6 =
35. 35.106 × 86 =
36. 36.111 × 102 =
37. 37.103 × 93 =
38. 38.11 × 7 =
39. 39.107 × 86 =
40. 40.7 × 6 =

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