Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 450 · 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. 1.101 × 109 =
2. 2.106 × 108 =
3. 3.8 × 9 =
4. 4.995 × 969 =
5. 5.91 × 89 =
6. 6.985 × 961 =
7. 7.87 × 88 =
8. 8.11 × 6 =
9. 9.103 × 89 =
10. 10.99 × 88 =
11. 11.989 × 967 =
12. 12.9 × 6 =
13. 13.101 × 99 =
14. 14.1007 × 1029 =
15. 15.106 × 91 =
16. 16.11 × 13 =
17. 17.94 × 97 =
18. 18.8 × 8 =
19. 19.12 × 8 =
20. 20.103 × 96 =
21. 21.996 × 966 =
22. 22.107 × 107 =
23. 23.9 × 6 =
24. 24.8 × 9 =
25. 25.978 × 997 =
26. 26.110 × 112 =
27. 27.9 × 8 =
28. 28.980 × 969 =
29. 29.108 × 114 =
30. 30.8 × 7 =
31. 31.105 × 114 =
32. 32.92 × 92 =
33. 33.1039 × 1029 =
34. 34.14 × 6 =
35. 35.98 × 96 =
36. 36.11 × 12 =
37. 37.97 × 95 =
38. 38.989 × 978 =
39. 39.107 × 106 =
40. 40.92 × 96 =

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