Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 607 · 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. 1.1032 × 979 =
2. 2.1030 × 978 =
3. 3.106 × 109 =
4. 4.87 × 97 =
5. 5.96 × 94 =
6. 6.14 × 13 =
7. 7.11 × 8 =
8. 8.91 × 95 =
9. 9.1024 × 962 =
10. 10.111 × 115 =
11. 11.85 × 92 =
12. 12.86 × 93 =
13. 13.102 × 103 =
14. 14.13 × 12 =
15. 15.95 × 87 =
16. 16.87 × 89 =
17. 17.87 × 99 =
18. 18.94 × 86 =
19. 19.1027 × 971 =
20. 20.1013 × 1028 =
21. 21.86 × 92 =
22. 22.1030 × 1039 =
23. 23.114 × 111 =
24. 24.88 × 85 =
25. 25.89 × 99 =
26. 26.7 × 9 =
27. 27.1037 × 1038 =
28. 28.115 × 87 =
29. 29.112 × 105 =
30. 30.112 × 115 =
31. 31.88 × 96 =
32. 32.1034 × 1012 =
33. 33.14 × 8 =
34. 34.971 × 996 =
35. 35.96 × 98 =
36. 36.113 × 87 =
37. 37.1005 × 1009 =
38. 38.104 × 101 =
39. 39.107 × 114 =
40. 40.1014 × 1031 =

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