Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 138 · 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. 1.6 × 9 =
2. 2.104 × 103 =
3. 3.1012 × 1033 =
4. 4.89 × 88 =
5. 5.11 × 11 =
6. 6.8 × 7 =
7. 7.987 × 992 =
8. 8.102 × 115 =
9. 9.97 × 96 =
10. 10.9 × 7 =
11. 11.89 × 99 =
12. 12.6 × 7 =
13. 13.97 × 89 =
14. 14.114 × 97 =
15. 15.102 × 108 =
16. 16.11 × 9 =
17. 17.9 × 6 =
18. 18.1013 × 1016 =
19. 19.91 × 90 =
20. 20.104 × 102 =
21. 21.11 × 6 =
22. 22.106 × 104 =
23. 23.104 × 106 =
24. 24.94 × 95 =
25. 25.14 × 12 =
26. 26.103 × 88 =
27. 27.968 × 991 =
28. 28.13 × 6 =
29. 29.1001 × 976 =
30. 30.114 × 104 =
31. 31.107 × 107 =
32. 32.1036 × 1034 =
33. 33.99 × 91 =
34. 34.106 × 85 =
35. 35.86 × 97 =
36. 36.107 × 96 =
37. 37.102 × 102 =
38. 38.979 × 978 =
39. 39.982 × 971 =
40. 40.110 × 95 =

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