Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 840 · 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. 1.104 × 108 =
2. 2.11 × 11 =
3. 3.96 × 86 =
4. 4.101 × 103 =
5. 5.114 × 95 =
6. 6.992 × 971 =
7. 7.111 × 108 =
8. 8.97 × 86 =
9. 9.94 × 94 =
10. 10.991 × 998 =
11. 11.88 × 92 =
12. 12.11 × 11 =
13. 13.1006 × 968 =
14. 14.14 × 13 =
15. 15.85 × 92 =
16. 16.9 × 9 =
17. 17.98 × 96 =
18. 18.114 × 88 =
19. 19.14 × 7 =
20. 20.112 × 90 =
21. 21.106 × 112 =
22. 22.9 × 9 =
23. 23.92 × 97 =
24. 24.106 × 87 =
25. 25.95 × 98 =
26. 26.110 × 89 =
27. 27.93 × 88 =
28. 28.13 × 13 =
29. 29.115 × 113 =
30. 30.88 × 85 =
31. 31.90 × 97 =
32. 32.9 × 7 =
33. 33.90 × 94 =
34. 34.88 × 95 =
35. 35.11 × 9 =
36. 36.13 × 12 =
37. 37.107 × 108 =
38. 38.12 × 14 =
39. 39.7 × 8 =
40. 40.108 × 88 =

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