Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 458 · 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 × 92 =
2. 2.110 × 90 =
3. 3.88 × 93 =
4. 4.113 × 103 =
5. 5.92 × 88 =
6. 6.1033 × 968 =
7. 7.99 × 88 =
8. 8.11 × 14 =
9. 9.112 × 106 =
10. 10.102 × 114 =
11. 11.103 × 91 =
12. 12.1018 × 976 =
13. 13.90 × 88 =
14. 14.12 × 9 =
15. 15.1032 × 981 =
16. 16.1034 × 984 =
17. 17.101 × 111 =
18. 18.13 × 13 =
19. 19.115 × 114 =
20. 20.9 × 7 =
21. 21.14 × 12 =
22. 22.8 × 9 =
23. 23.105 × 86 =
24. 24.109 × 103 =
25. 25.960 × 991 =
26. 26.99 × 93 =
27. 27.96 × 88 =
28. 28.8 × 8 =
29. 29.11 × 11 =
30. 30.104 × 93 =
31. 31.109 × 97 =
32. 32.94 × 96 =
33. 33.7 × 6 =
34. 34.105 × 110 =
35. 35.102 × 113 =
36. 36.103 × 99 =
37. 37.110 × 89 =
38. 38.108 × 115 =
39. 39.110 × 104 =
40. 40.8 × 8 =

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