Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 796 · 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. 1.89 × 93 =
2. 2.993 × 964 =
3. 3.114 × 103 =
4. 4.11 × 13 =
5. 5.8 × 7 =
6. 6.110 × 97 =
7. 7.997 × 995 =
8. 8.95 × 93 =
9. 9.13 × 9 =
10. 10.1010 × 961 =
11. 11.85 × 85 =
12. 12.976 × 997 =
13. 13.105 × 105 =
14. 14.94 × 86 =
15. 15.108 × 102 =
16. 16.12 × 7 =
17. 17.114 × 106 =
18. 18.9 × 8 =
19. 19.115 × 85 =
20. 20.1022 × 1022 =
21. 21.104 × 107 =
22. 22.8 × 7 =
23. 23.12 × 13 =
24. 24.110 × 101 =
25. 25.97 × 95 =
26. 26.94 × 96 =
27. 27.111 × 111 =
28. 28.112 × 104 =
29. 29.962 × 964 =
30. 30.93 × 89 =
31. 31.994 × 993 =
32. 32.12 × 11 =
33. 33.111 × 112 =
34. 34.9 × 9 =
35. 35.96 × 85 =
36. 36.11 × 14 =
37. 37.87 × 92 =
38. 38.104 × 112 =
39. 39.8 × 9 =
40. 40.1013 × 986 =

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