Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 638 · 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. 1.111 × 111 =
2. 2.101 × 109 =
3. 3.11 × 6 =
4. 4.111 × 106 =
5. 5.1008 × 1003 =
6. 6.14 × 9 =
7. 7.89 × 97 =
8. 8.12 × 7 =
9. 9.7 × 6 =
10. 10.103 × 92 =
11. 11.1012 × 1012 =
12. 12.92 × 86 =
13. 13.102 × 96 =
14. 14.14 × 9 =
15. 15.114 × 114 =
16. 16.86 × 91 =
17. 17.109 × 101 =
18. 18.1009 × 979 =
19. 19.85 × 91 =
20. 20.90 × 85 =
21. 21.90 × 92 =
22. 22.979 × 976 =
23. 23.1014 × 989 =
24. 24.1010 × 966 =
25. 25.89 × 88 =
26. 26.93 × 88 =
27. 27.9 × 9 =
28. 28.11 × 11 =
29. 29.97 × 93 =
30. 30.11 × 13 =
31. 31.96 × 85 =
32. 32.103 × 89 =
33. 33.1022 × 980 =
34. 34.1001 × 976 =
35. 35.106 × 103 =
36. 36.986 × 988 =
37. 37.988 × 990 =
38. 38.12 × 12 =
39. 39.1037 × 969 =
40. 40.97 × 90 =

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