Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 465 · 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. 1.96 × 96 =
2. 2.90 × 96 =
3. 3.975 × 960 =
4. 4.1025 × 1019 =
5. 5.85 × 86 =
6. 6.110 × 105 =
7. 7.6 × 9 =
8. 8.98 × 97 =
9. 9.107 × 90 =
10. 10.108 × 110 =
11. 11.103 × 109 =
12. 12.106 × 103 =
13. 13.94 × 85 =
14. 14.1021 × 998 =
15. 15.105 × 91 =
16. 16.1011 × 981 =
17. 17.107 × 105 =
18. 18.6 × 7 =
19. 19.104 × 110 =
20. 20.113 × 91 =
21. 21.8 × 9 =
22. 22.11 × 8 =
23. 23.984 × 998 =
24. 24.970 × 994 =
25. 25.1014 × 1015 =
26. 26.8 × 9 =
27. 27.87 × 92 =
28. 28.8 × 6 =
29. 29.104 × 104 =
30. 30.107 × 92 =
31. 31.86 × 90 =
32. 32.6 × 6 =
33. 33.113 × 90 =
34. 34.97 × 94 =
35. 35.1035 × 988 =
36. 36.102 × 105 =
37. 37.9 × 6 =
38. 38.115 × 114 =
39. 39.9 × 6 =
40. 40.13 × 7 =

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