Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 524 · 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. 1.11 × 14 =
2. 2.1036 × 1020 =
3. 3.963 × 990 =
4. 4.113 × 104 =
5. 5.98 × 91 =
6. 6.1027 × 1012 =
7. 7.95 × 95 =
8. 8.103 × 107 =
9. 9.103 × 114 =
10. 10.1011 × 1006 =
11. 11.11 × 11 =
12. 12.108 × 112 =
13. 13.983 × 993 =
14. 14.98 × 95 =
15. 15.115 × 112 =
16. 16.13 × 13 =
17. 17.964 × 979 =
18. 18.99 × 99 =
19. 19.108 × 91 =
20. 20.11 × 6 =
21. 21.7 × 7 =
22. 22.1017 × 978 =
23. 23.11 × 14 =
24. 24.113 × 106 =
25. 25.101 × 112 =
26. 26.12 × 8 =
27. 27.95 × 91 =
28. 28.12 × 6 =
29. 29.111 × 114 =
30. 30.104 × 103 =
31. 31.85 × 95 =
32. 32.1021 × 980 =
33. 33.111 × 110 =
34. 34.6 × 6 =
35. 35.101 × 103 =
36. 36.14 × 12 =
37. 37.92 × 97 =
38. 38.11 × 11 =
39. 39.92 × 87 =
40. 40.96 × 86 =

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