Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 752 · 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. 1.13 × 12 =
2. 2.9 × 8 =
3. 3.9 × 9 =
4. 4.1015 × 1011 =
5. 5.113 × 86 =
6. 6.14 × 14 =
7. 7.973 × 994 =
8. 8.106 × 96 =
9. 9.11 × 6 =
10. 10.13 × 8 =
11. 11.9 × 7 =
12. 12.12 × 14 =
13. 13.90 × 95 =
14. 14.13 × 11 =
15. 15.9 × 9 =
16. 16.13 × 6 =
17. 17.109 × 113 =
18. 18.114 × 102 =
19. 19.1017 × 1012 =
20. 20.98 × 87 =
21. 21.92 × 97 =
22. 22.12 × 13 =
23. 23.7 × 9 =
24. 24.1013 × 999 =
25. 25.1018 × 996 =
26. 26.1017 × 1003 =
27. 27.963 × 990 =
28. 28.1009 × 994 =
29. 29.105 × 103 =
30. 30.103 × 103 =
31. 31.9 × 6 =
32. 32.987 × 961 =
33. 33.96 × 94 =
34. 34.112 × 106 =
35. 35.107 × 104 =
36. 36.14 × 13 =
37. 37.972 × 985 =
38. 38.111 × 92 =
39. 39.13 × 8 =
40. 40.11 × 13 =

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