Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 327 · 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. 1.101 × 92 =
2. 2.11 × 13 =
3. 3.95 × 89 =
4. 4.13 × 12 =
5. 5.13 × 13 =
6. 6.94 × 88 =
7. 7.13 × 7 =
8. 8.102 × 90 =
9. 9.9 × 9 =
10. 10.14 × 12 =
11. 11.12 × 14 =
12. 12.7 × 8 =
13. 13.7 × 9 =
14. 14.12 × 11 =
15. 15.113 × 99 =
16. 16.99 × 96 =
17. 17.97 × 96 =
18. 18.14 × 6 =
19. 19.7 × 7 =
20. 20.91 × 90 =
21. 21.102 × 85 =
22. 22.89 × 85 =
23. 23.114 × 99 =
24. 24.107 × 115 =
25. 25.1032 × 989 =
26. 26.103 × 107 =
27. 27.990 × 964 =
28. 28.86 × 92 =
29. 29.1038 × 991 =
30. 30.11 × 13 =
31. 31.108 × 99 =
32. 32.88 × 91 =
33. 33.103 × 98 =
34. 34.13 × 6 =
35. 35.1027 × 1031 =
36. 36.103 × 90 =
37. 37.112 × 115 =
38. 38.110 × 104 =
39. 39.1026 × 974 =
40. 40.14 × 7 =

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