Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 396 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.492 × 491 =
2. 2.205 × 204 =
3. 3.599 × 598 =
4. 4.21 × 23 =
5. 5.491 × 491 =
6. 6.86 × 86 =
7. 7.58 × 57 =
8. 8.197 × 194 =
9. 9.71 × 74 =
10. 10.67 × 67 =
11. 11.598 × 596 =
12. 12.592 × 591 =
13. 13.66 × 69 =
14. 14.82 × 83 =
15. 15.197 × 194 =
16. 16.299 × 298 =
17. 17.209 × 203 =
18. 18.64 × 62 =
19. 19.62 × 61 =
20. 20.47 × 46 =
21. 21.497 × 492 =
22. 22.81 × 82 =
23. 23.42 × 44 =
24. 24.18 × 17 =
25. 25.601 × 609 =
26. 26.91 × 92 =
27. 27.26 × 28 =
28. 28.302 × 306 =
29. 29.89 × 87 =
30. 30.72 × 71 =
31. 31.403 × 407 =
32. 32.392 × 391 =
33. 33.93 × 93 =
34. 34.304 × 306 =
35. 35.69 × 68 =
36. 36.404 × 401 =
37. 37.83 × 82 =
38. 38.19 × 19 =
39. 39.29 × 26 =
40. 40.83 × 81 =

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