Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 876 · 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. 1.76 × 76 =
2. 2.602 × 604 =
3. 3.42 × 41 =
4. 4.18 × 16 =
5. 5.57 × 57 =
6. 6.297 × 292 =
7. 7.393 × 393 =
8. 8.608 × 603 =
9. 9.91 × 93 =
10. 10.492 × 499 =
11. 11.491 × 492 =
12. 12.78 × 79 =
13. 13.79 × 77 =
14. 14.603 × 601 =
15. 15.79 × 78 =
16. 16.47 × 49 =
17. 17.47 × 48 =
18. 18.494 × 499 =
19. 19.93 × 94 =
20. 20.395 × 396 =
21. 21.294 × 294 =
22. 22.302 × 309 =
23. 23.32 × 33 =
24. 24.83 × 81 =
25. 25.67 × 68 =
26. 26.27 × 28 =
27. 27.66 × 66 =
28. 28.502 × 506 =
29. 29.33 × 34 =
30. 30.201 × 203 =
31. 31.496 × 493 =
32. 32.18 × 17 =
33. 33.494 × 496 =
34. 34.391 × 391 =
35. 35.496 × 498 =
36. 36.299 × 291 =
37. 37.505 × 503 =
38. 38.393 × 394 =
39. 39.408 × 404 =
40. 40.19 × 19 =

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