Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 145 · 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. 1.14 × 11 =
2. 2.98 × 90 =
3. 3.114 × 99 =
4. 4.988 × 981 =
5. 5.992 × 961 =
6. 6.85 × 96 =
7. 7.12 × 7 =
8. 8.106 × 113 =
9. 9.963 × 997 =
10. 10.99 × 88 =
11. 11.9 × 7 =
12. 12.112 × 103 =
13. 13.98 × 89 =
14. 14.109 × 91 =
15. 15.964 × 990 =
16. 16.12 × 9 =
17. 17.115 × 94 =
18. 18.11 × 11 =
19. 19.988 × 989 =
20. 20.972 × 966 =
21. 21.1039 × 1031 =
22. 22.104 × 99 =
23. 23.111 × 98 =
24. 24.1002 × 965 =
25. 25.86 × 97 =
26. 26.14 × 8 =
27. 27.8 × 7 =
28. 28.86 × 90 =
29. 29.115 × 114 =
30. 30.85 × 90 =
31. 31.96 × 98 =
32. 32.90 × 97 =
33. 33.8 × 6 =
34. 34.106 × 98 =
35. 35.99 × 91 =
36. 36.108 × 114 =
37. 37.8 × 9 =
38. 38.1013 × 1016 =
39. 39.112 × 105 =
40. 40.11 × 14 =

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