Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 730 · 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. 1.968 × 968 =
2. 2.11 × 9 =
3. 3.111 × 85 =
4. 4.11 × 6 =
5. 5.104 × 99 =
6. 6.89 × 90 =
7. 7.93 × 88 =
8. 8.13 × 11 =
9. 9.1024 × 1030 =
10. 10.92 × 88 =
11. 11.1027 × 1033 =
12. 12.113 × 98 =
13. 13.95 × 98 =
14. 14.105 × 102 =
15. 15.94 × 95 =
16. 16.105 × 102 =
17. 17.8 × 8 =
18. 18.86 × 98 =
19. 19.1003 × 966 =
20. 20.9 × 8 =
21. 21.86 × 99 =
22. 22.11 × 13 =
23. 23.1004 × 978 =
24. 24.12 × 11 =
25. 25.11 × 9 =
26. 26.103 × 91 =
27. 27.14 × 12 =
28. 28.12 × 8 =
29. 29.103 × 95 =
30. 30.98 × 95 =
31. 31.995 × 977 =
32. 32.1027 × 1006 =
33. 33.1011 × 1003 =
34. 34.89 × 97 =
35. 35.113 × 103 =
36. 36.107 × 105 =
37. 37.7 × 7 =
38. 38.1029 × 1012 =
39. 39.999 × 973 =
40. 40.90 × 92 =

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