Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 865 · 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. 1.1005 × 1010 =
2. 2.103 × 96 =
3. 3.972 × 973 =
4. 4.101 × 93 =
5. 5.95 × 98 =
6. 6.85 × 99 =
7. 7.89 × 95 =
8. 8.85 × 99 =
9. 9.113 × 96 =
10. 10.6 × 9 =
11. 11.106 × 97 =
12. 12.9 × 8 =
13. 13.101 × 87 =
14. 14.103 × 94 =
15. 15.6 × 6 =
16. 16.8 × 9 =
17. 17.993 × 964 =
18. 18.12 × 9 =
19. 19.9 × 9 =
20. 20.1015 × 963 =
21. 21.107 × 109 =
22. 22.93 × 87 =
23. 23.6 × 8 =
24. 24.8 × 6 =
25. 25.14 × 9 =
26. 26.9 × 6 =
27. 27.988 × 961 =
28. 28.8 × 6 =
29. 29.113 × 95 =
30. 30.107 × 112 =
31. 31.1037 × 1039 =
32. 32.113 × 104 =
33. 33.86 × 97 =
34. 34.9 × 6 =
35. 35.93 × 91 =
36. 36.14 × 6 =
37. 37.1023 × 1010 =
38. 38.1010 × 990 =
39. 39.12 × 7 =
40. 40.6 × 9 =

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