Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 487 · 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. 2.101 × 101 =
3. 3.985 × 999 =
4. 4.99 × 98 =
5. 5.993 × 999 =
6. 6.14 × 6 =
7. 7.108 × 93 =
8. 8.7 × 6 =
9. 9.103 × 96 =
10. 10.13 × 12 =
11. 11.1026 × 1007 =
12. 12.103 × 91 =
13. 13.94 × 99 =
14. 14.112 × 87 =
15. 15.1013 × 1036 =
16. 16.95 × 97 =
17. 17.11 × 6 =
18. 18.99 × 96 =
19. 19.89 × 96 =
20. 20.984 × 985 =
21. 21.101 × 101 =
22. 22.103 × 92 =
23. 23.86 × 86 =
24. 24.13 × 13 =
25. 25.12 × 7 =
26. 26.92 × 85 =
27. 27.13 × 7 =
28. 28.11 × 8 =
29. 29.90 × 89 =
30. 30.12 × 14 =
31. 31.1019 × 977 =
32. 32.6 × 9 =
33. 33.1031 × 1015 =
34. 34.113 × 104 =
35. 35.12 × 6 =
36. 36.110 × 91 =
37. 37.973 × 971 =
38. 38.90 × 85 =
39. 39.94 × 96 =
40. 40.104 × 104 =

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