Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 314 · 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. 1.33 × 32 =
2. 2.406 × 401 =
3. 3.27 × 27 =
4. 4.496 × 497 =
5. 5.29 × 29 =
6. 6.298 × 291 =
7. 7.403 × 409 =
8. 8.405 × 402 =
9. 9.608 × 602 =
10. 10.47 × 47 =
11. 11.48 × 48 =
12. 12.305 × 308 =
13. 13.198 × 197 =
14. 14.593 × 591 =
15. 15.88 × 86 =
16. 16.397 × 392 =
17. 17.24 × 22 =
18. 18.28 × 29 =
19. 19.39 × 39 =
20. 20.292 × 298 =
21. 21.59 × 59 =
22. 22.403 × 408 =
23. 23.42 × 44 =
24. 24.39 × 37 =
25. 25.42 × 43 =
26. 26.292 × 291 =
27. 27.17 × 16 =
28. 28.293 × 292 =
29. 29.39 × 39 =
30. 30.491 × 499 =
31. 31.204 × 207 =
32. 32.502 × 502 =
33. 33.79 × 77 =
34. 34.32 × 33 =
35. 35.293 × 294 =
36. 36.309 × 302 =
37. 37.598 × 598 =
38. 38.393 × 398 =
39. 39.18 × 17 =
40. 40.292 × 298 =

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