Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 408 · 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. 1.198 × 191 =
2. 2.507 × 504 =
3. 3.595 × 596 =
4. 4.82 × 83 =
5. 5.36 × 39 =
6. 6.495 × 499 =
7. 7.92 × 93 =
8. 8.593 × 596 =
9. 9.36 × 38 =
10. 10.294 × 294 =
11. 11.494 × 498 =
12. 12.297 × 297 =
13. 13.79 × 78 =
14. 14.69 × 66 =
15. 15.205 × 202 =
16. 16.193 × 191 =
17. 17.21 × 23 =
18. 18.495 × 493 =
19. 19.493 × 492 =
20. 20.506 × 508 =
21. 21.299 × 294 =
22. 22.506 × 509 =
23. 23.77 × 79 =
24. 24.307 × 305 =
25. 25.595 × 593 =
26. 26.37 × 36 =
27. 27.67 × 66 =
28. 28.302 × 301 =
29. 29.207 × 209 =
30. 30.494 × 496 =
31. 31.393 × 392 =
32. 32.78 × 79 =
33. 33.91 × 93 =
34. 34.593 × 594 =
35. 35.398 × 394 =
36. 36.32 × 31 =
37. 37.81 × 84 =
38. 38.607 × 603 =
39. 39.509 × 503 =
40. 40.49 × 47 =

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