Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 557 · 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. 1.53 × 52 =
2. 2.307 × 304 =
3. 3.29 × 28 =
4. 4.294 × 295 =
5. 5.91 × 94 =
6. 6.592 × 592 =
7. 7.36 × 38 =
8. 8.492 × 496 =
9. 9.73 × 74 =
10. 10.26 × 28 =
11. 11.37 × 36 =
12. 12.504 × 507 =
13. 13.493 × 493 =
14. 14.18 × 19 =
15. 15.69 × 68 =
16. 16.32 × 33 =
17. 17.29 × 28 =
18. 18.16 × 17 =
19. 19.206 × 204 =
20. 20.31 × 34 =
21. 21.598 × 592 =
22. 22.36 × 37 =
23. 23.204 × 202 =
24. 24.68 × 67 =
25. 25.602 × 606 =
26. 26.395 × 395 =
27. 27.64 × 63 =
28. 28.498 × 493 =
29. 29.593 × 599 =
30. 30.605 × 607 =
31. 31.593 × 599 =
32. 32.194 × 194 =
33. 33.507 × 505 =
34. 34.407 × 406 =
35. 35.499 × 496 =
36. 36.73 × 72 =
37. 37.18 × 19 =
38. 38.599 × 593 =
39. 39.78 × 78 =
40. 40.198 × 198 =

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