Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 482 · 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. 1.305 × 309 =
2. 2.68 × 67 =
3. 3.52 × 54 =
4. 4.42 × 43 =
5. 5.509 × 508 =
6. 6.395 × 395 =
7. 7.296 × 298 =
8. 8.46 × 48 =
9. 9.42 × 43 =
10. 10.89 × 88 =
11. 11.22 × 24 =
12. 12.592 × 594 =
13. 13.69 × 69 =
14. 14.88 × 87 =
15. 15.28 × 27 =
16. 16.18 × 17 =
17. 17.76 × 76 =
18. 18.84 × 82 =
19. 19.39 × 36 =
20. 20.204 × 202 =
21. 21.292 × 296 =
22. 22.17 × 17 =
23. 23.198 × 194 =
24. 24.82 × 84 =
25. 25.196 × 192 =
26. 26.503 × 505 =
27. 27.295 × 299 =
28. 28.299 × 297 =
29. 29.32 × 31 =
30. 30.51 × 51 =
31. 31.592 × 599 =
32. 32.491 × 499 =
33. 33.406 × 409 =
34. 34.94 × 91 =
35. 35.306 × 301 =
36. 36.499 × 493 =
37. 37.509 × 504 =
38. 38.305 × 302 =
39. 39.42 × 43 =
40. 40.28 × 26 =

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