Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 24 · 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. 1.990 × 997 =
2. 2.106 × 111 =
3. 3.113 × 89 =
4. 4.6 × 8 =
5. 5.113 × 88 =
6. 6.12 × 6 =
7. 7.107 × 98 =
8. 8.115 × 114 =
9. 9.8 × 6 =
10. 10.102 × 106 =
11. 11.101 × 109 =
12. 12.11 × 7 =
13. 13.12 × 11 =
14. 14.111 × 97 =
15. 15.9 × 8 =
16. 16.13 × 14 =
17. 17.12 × 12 =
18. 18.975 × 986 =
19. 19.101 × 105 =
20. 20.1019 × 1022 =
21. 21.104 × 92 =
22. 22.8 × 6 =
23. 23.107 × 101 =
24. 24.101 × 93 =
25. 25.97 × 96 =
26. 26.12 × 12 =
27. 27.11 × 9 =
28. 28.11 × 12 =
29. 29.94 × 91 =
30. 30.104 × 108 =
31. 31.6 × 6 =
32. 32.1008 × 1014 =
33. 33.85 × 90 =
34. 34.1001 × 997 =
35. 35.109 × 108 =
36. 36.12 × 6 =
37. 37.997 × 998 =
38. 38.98 × 93 =
39. 39.6 × 9 =
40. 40.8 × 7 =

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