Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 412 · 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. 2.97 × 92 =
3. 3.12 × 11 =
4. 4.968 × 965 =
5. 5.975 × 985 =
6. 6.11 × 11 =
7. 7.112 × 89 =
8. 8.11 × 13 =
9. 9.109 × 103 =
10. 10.14 × 11 =
11. 11.98 × 93 =
12. 12.9 × 6 =
13. 13.90 × 91 =
14. 14.12 × 12 =
15. 15.11 × 14 =
16. 16.13 × 11 =
17. 17.92 × 91 =
18. 18.87 × 89 =
19. 19.6 × 9 =
20. 20.6 × 6 =
21. 21.86 × 96 =
22. 22.992 × 991 =
23. 23.92 × 86 =
24. 24.105 × 115 =
25. 25.12 × 13 =
26. 26.88 × 97 =
27. 27.111 × 104 =
28. 28.987 × 965 =
29. 29.11 × 13 =
30. 30.12 × 7 =
31. 31.7 × 8 =
32. 32.94 × 95 =
33. 33.102 × 106 =
34. 34.97 × 93 =
35. 35.112 × 114 =
36. 36.112 × 111 =
37. 37.9 × 8 =
38. 38.11 × 13 =
39. 39.110 × 102 =
40. 40.96 × 86 =

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