Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 121 · 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. 1.11 × 14 =
2. 2.104 × 113 =
3. 3.6 × 9 =
4. 4.105 × 113 =
5. 5.9 × 9 =
6. 6.7 × 6 =
7. 7.114 × 89 =
8. 8.11 × 6 =
9. 9.89 × 92 =
10. 10.92 × 97 =
11. 11.969 × 984 =
12. 12.91 × 97 =
13. 13.115 × 98 =
14. 14.12 × 12 =
15. 15.104 × 106 =
16. 16.92 × 85 =
17. 17.111 × 101 =
18. 18.14 × 12 =
19. 19.8 × 7 =
20. 20.101 × 97 =
21. 21.113 × 112 =
22. 22.9 × 7 =
23. 23.7 × 6 =
24. 24.104 × 104 =
25. 25.11 × 12 =
26. 26.11 × 9 =
27. 27.9 × 7 =
28. 28.98 × 85 =
29. 29.95 × 96 =
30. 30.112 × 114 =
31. 31.12 × 7 =
32. 32.1011 × 1030 =
33. 33.6 × 8 =
34. 34.113 × 108 =
35. 35.12 × 14 =
36. 36.11 × 7 =
37. 37.11 × 9 =
38. 38.103 × 113 =
39. 39.973 × 976 =
40. 40.1026 × 997 =

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