Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 369 · 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. 1.104 × 109 =
2. 2.111 × 104 =
3. 3.963 × 983 =
4. 4.962 × 996 =
5. 5.11 × 8 =
6. 6.7 × 9 =
7. 7.107 × 115 =
8. 8.992 × 971 =
9. 9.97 × 96 =
10. 10.1037 × 999 =
11. 11.13 × 14 =
12. 12.1022 × 1001 =
13. 13.975 × 984 =
14. 14.989 × 977 =
15. 15.101 × 89 =
16. 16.90 × 86 =
17. 17.87 × 90 =
18. 18.107 × 106 =
19. 19.107 × 92 =
20. 20.986 × 971 =
21. 21.103 × 87 =
22. 22.7 × 8 =
23. 23.107 × 101 =
24. 24.107 × 104 =
25. 25.1038 × 997 =
26. 26.95 × 91 =
27. 27.104 × 85 =
28. 28.102 × 112 =
29. 29.13 × 13 =
30. 30.105 × 112 =
31. 31.8 × 9 =
32. 32.6 × 8 =
33. 33.12 × 8 =
34. 34.105 × 96 =
35. 35.13 × 6 =
36. 36.106 × 92 =
37. 37.11 × 7 =
38. 38.1020 × 1002 =
39. 39.11 × 11 =
40. 40.1005 × 1037 =

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