Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 762 · 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. 1.92 × 91 =
2. 2.74 × 73 =
3. 3.505 × 505 =
4. 4.94 × 91 =
5. 5.31 × 34 =
6. 6.41 × 44 =
7. 7.84 × 83 =
8. 8.43 × 41 =
9. 9.302 × 307 =
10. 10.82 × 83 =
11. 11.19 × 16 =
12. 12.204 × 205 =
13. 13.498 × 499 =
14. 14.305 × 302 =
15. 15.17 × 17 =
16. 16.56 × 57 =
17. 17.592 × 594 =
18. 18.79 × 79 =
19. 19.66 × 68 =
20. 20.81 × 81 =
21. 21.504 × 509 =
22. 22.89 × 87 =
23. 23.42 × 43 =
24. 24.64 × 62 =
25. 25.597 × 597 =
26. 26.292 × 296 =
27. 27.606 × 604 =
28. 28.599 × 594 =
29. 29.79 × 76 =
30. 30.89 × 86 =
31. 31.81 × 82 =
32. 32.396 × 398 =
33. 33.596 × 598 =
34. 34.28 × 27 =
35. 35.84 × 81 =
36. 36.56 × 56 =
37. 37.84 × 84 =
38. 38.403 × 404 =
39. 39.394 × 397 =
40. 40.305 × 303 =

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