Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 92 · 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. 1.1006 × 1037 =
2. 2.12 × 8 =
3. 3.13 × 14 =
4. 4.96 × 93 =
5. 5.115 × 109 =
6. 6.109 × 96 =
7. 7.11 × 13 =
8. 8.1040 × 1031 =
9. 9.115 × 109 =
10. 10.99 × 91 =
11. 11.1029 × 998 =
12. 12.998 × 961 =
13. 13.104 × 88 =
14. 14.103 × 106 =
15. 15.13 × 7 =
16. 16.14 × 11 =
17. 17.110 × 112 =
18. 18.1009 × 1020 =
19. 19.972 × 964 =
20. 20.1030 × 963 =
21. 21.1002 × 1016 =
22. 22.1013 × 1005 =
23. 23.11 × 9 =
24. 24.109 × 115 =
25. 25.11 × 14 =
26. 26.8 × 6 =
27. 27.8 × 7 =
28. 28.93 × 93 =
29. 29.109 × 107 =
30. 30.108 × 93 =
31. 31.89 × 86 =
32. 32.9 × 8 =
33. 33.108 × 92 =
34. 34.13 × 14 =
35. 35.13 × 12 =
36. 36.109 × 111 =
37. 37.1006 × 999 =
38. 38.88 × 97 =
39. 39.93 × 91 =
40. 40.11 × 6 =

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