Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 197 · 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 × 86 =
2. 2.13 × 11 =
3. 3.14 × 6 =
4. 4.110 × 93 =
5. 5.9 × 6 =
6. 6.105 × 112 =
7. 7.11 × 14 =
8. 8.1003 × 1024 =
9. 9.85 × 89 =
10. 10.6 × 9 =
11. 11.1003 × 1031 =
12. 12.104 × 85 =
13. 13.12 × 9 =
14. 14.9 × 6 =
15. 15.1013 × 985 =
16. 16.7 × 6 =
17. 17.108 × 97 =
18. 18.993 × 980 =
19. 19.94 × 90 =
20. 20.112 × 88 =
21. 21.11 × 14 =
22. 22.102 × 86 =
23. 23.94 × 85 =
24. 24.1003 × 1037 =
25. 25.6 × 7 =
26. 26.1019 × 996 =
27. 27.93 × 92 =
28. 28.111 × 89 =
29. 29.982 × 992 =
30. 30.107 × 111 =
31. 31.13 × 11 =
32. 32.88 × 88 =
33. 33.102 × 110 =
34. 34.88 × 93 =
35. 35.109 × 115 =
36. 36.988 × 994 =
37. 37.1031 × 1028 =
38. 38.90 × 85 =
39. 39.11 × 8 =
40. 40.104 × 86 =

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