Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 155 · 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 × 97 =
2. 2.11 × 6 =
3. 3.12 × 11 =
4. 4.989 × 983 =
5. 5.113 × 107 =
6. 6.93 × 90 =
7. 7.104 × 98 =
8. 8.9 × 7 =
9. 9.101 × 95 =
10. 10.115 × 112 =
11. 11.9 × 8 =
12. 12.99 × 95 =
13. 13.104 × 104 =
14. 14.113 × 94 =
15. 15.106 × 104 =
16. 16.108 × 111 =
17. 17.109 × 97 =
18. 18.101 × 104 =
19. 19.85 × 89 =
20. 20.1012 × 980 =
21. 21.6 × 6 =
22. 22.1032 × 1005 =
23. 23.102 × 96 =
24. 24.97 × 88 =
25. 25.102 × 104 =
26. 26.114 × 92 =
27. 27.13 × 7 =
28. 28.14 × 9 =
29. 29.91 × 99 =
30. 30.98 × 99 =
31. 31.109 × 85 =
32. 32.90 × 93 =
33. 33.968 × 997 =
34. 34.104 × 107 =
35. 35.13 × 13 =
36. 36.992 × 966 =
37. 37.111 × 104 =
38. 38.112 × 96 =
39. 39.14 × 12 =
40. 40.85 × 94 =

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