Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 263 · 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. 1.41 × 41 =
2. 2.36 × 39 =
3. 3.294 × 298 =
4. 4.54 × 54 =
5. 5.409 × 405 =
6. 6.17 × 16 =
7. 7.69 × 67 =
8. 8.593 × 598 =
9. 9.41 × 42 =
10. 10.209 × 206 =
11. 11.63 × 62 =
12. 12.398 × 396 =
13. 13.94 × 91 =
14. 14.64 × 63 =
15. 15.391 × 393 =
16. 16.44 × 44 =
17. 17.71 × 74 =
18. 18.508 × 506 =
19. 19.291 × 296 =
20. 20.72 × 71 =
21. 21.291 × 293 =
22. 22.504 × 506 =
23. 23.56 × 59 =
24. 24.73 × 71 =
25. 25.28 × 28 =
26. 26.504 × 508 =
27. 27.398 × 398 =
28. 28.29 × 26 =
29. 29.81 × 81 =
30. 30.298 × 291 =
31. 31.57 × 57 =
32. 32.294 × 292 =
33. 33.395 × 396 =
34. 34.27 × 26 =
35. 35.502 × 505 =
36. 36.507 × 508 =
37. 37.196 × 195 =
38. 38.603 × 607 =
39. 39.601 × 609 =
40. 40.405 × 403 =

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