Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 213 · 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. 1.108 × 89 =
2. 2.8 × 9 =
3. 3.102 × 109 =
4. 4.8 × 6 =
5. 5.976 × 975 =
6. 6.106 × 104 =
7. 7.1033 × 988 =
8. 8.95 × 93 =
9. 9.1026 × 961 =
10. 10.983 × 990 =
11. 11.11 × 6 =
12. 12.1021 × 1003 =
13. 13.12 × 12 =
14. 14.13 × 9 =
15. 15.97 × 93 =
16. 16.101 × 103 =
17. 17.112 × 85 =
18. 18.91 × 98 =
19. 19.13 × 13 =
20. 20.14 × 11 =
21. 21.9 × 9 =
22. 22.9 × 6 =
23. 23.1014 × 1018 =
24. 24.97 × 98 =
25. 25.968 × 976 =
26. 26.13 × 9 =
27. 27.12 × 7 =
28. 28.7 × 8 =
29. 29.12 × 9 =
30. 30.102 × 94 =
31. 31.994 × 986 =
32. 32.95 × 85 =
33. 33.9 × 9 =
34. 34.107 × 101 =
35. 35.6 × 6 =
36. 36.106 × 114 =
37. 37.102 × 109 =
38. 38.1012 × 1002 =
39. 39.108 × 94 =
40. 40.114 × 113 =

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