Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 545 · 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. 1.98 × 91 =
2. 2.88 × 95 =
3. 3.87 × 93 =
4. 4.11 × 11 =
5. 5.7 × 6 =
6. 6.91 × 97 =
7. 7.11 × 8 =
8. 8.98 × 89 =
9. 9.1021 × 966 =
10. 10.14 × 7 =
11. 11.93 × 97 =
12. 12.112 × 114 =
13. 13.6 × 9 =
14. 14.8 × 6 =
15. 15.11 × 11 =
16. 16.114 × 110 =
17. 17.7 × 8 =
18. 18.14 × 12 =
19. 19.89 × 92 =
20. 20.962 × 963 =
21. 21.87 × 98 =
22. 22.115 × 112 =
23. 23.108 × 105 =
24. 24.9 × 6 =
25. 25.104 × 115 =
26. 26.90 × 99 =
27. 27.14 × 7 =
28. 28.12 × 9 =
29. 29.102 × 90 =
30. 30.13 × 6 =
31. 31.11 × 8 =
32. 32.13 × 13 =
33. 33.13 × 9 =
34. 34.104 × 110 =
35. 35.110 × 92 =
36. 36.115 × 110 =
37. 37.98 × 96 =
38. 38.7 × 9 =
39. 39.98 × 97 =
40. 40.109 × 93 =

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