Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 449 · 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. 1.1029 × 1009 =
2. 2.103 × 85 =
3. 3.8 × 8 =
4. 4.86 × 92 =
5. 5.85 × 94 =
6. 6.103 × 107 =
7. 7.105 × 110 =
8. 8.8 × 7 =
9. 9.113 × 109 =
10. 10.95 × 95 =
11. 11.109 × 105 =
12. 12.113 × 96 =
13. 13.108 × 91 =
14. 14.104 × 103 =
15. 15.89 × 96 =
16. 16.7 × 7 =
17. 17.14 × 11 =
18. 18.13 × 13 =
19. 19.11 × 14 =
20. 20.969 × 973 =
21. 21.9 × 9 =
22. 22.107 × 106 =
23. 23.8 × 7 =
24. 24.115 × 102 =
25. 25.95 × 93 =
26. 26.982 × 980 =
27. 27.8 × 8 =
28. 28.14 × 11 =
29. 29.106 × 103 =
30. 30.7 × 9 =
31. 31.963 × 968 =
32. 32.98 × 90 =
33. 33.1003 × 1034 =
34. 34.1019 × 1030 =
35. 35.960 × 999 =
36. 36.12 × 6 =
37. 37.95 × 87 =
38. 38.1039 × 1040 =
39. 39.105 × 110 =
40. 40.1004 × 1007 =

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