Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 193 · 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. 1.12 × 12 =
2. 2.993 × 997 =
3. 3.89 × 94 =
4. 4.1004 × 995 =
5. 5.102 × 105 =
6. 6.96 × 87 =
7. 7.90 × 90 =
8. 8.86 × 91 =
9. 9.7 × 8 =
10. 10.106 × 91 =
11. 11.8 × 6 =
12. 12.105 × 108 =
13. 13.1019 × 1015 =
14. 14.105 × 111 =
15. 15.102 × 101 =
16. 16.108 × 104 =
17. 17.11 × 6 =
18. 18.108 × 110 =
19. 19.13 × 14 =
20. 20.101 × 96 =
21. 21.13 × 8 =
22. 22.99 × 87 =
23. 23.995 × 965 =
24. 24.1023 × 1001 =
25. 25.1014 × 1005 =
26. 26.96 × 89 =
27. 27.12 × 6 =
28. 28.101 × 102 =
29. 29.1005 × 1011 =
30. 30.93 × 86 =
31. 31.11 × 7 =
32. 32.113 × 111 =
33. 33.996 × 987 =
34. 34.86 × 99 =
35. 35.13 × 13 =
36. 36.11 × 8 =
37. 37.104 × 88 =
38. 38.91 × 86 =
39. 39.91 × 92 =
40. 40.104 × 104 =

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