Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 783 · 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. 1.601 × 609 =
2. 2.46 × 47 =
3. 3.71 × 71 =
4. 4.598 × 595 =
5. 5.52 × 52 =
6. 6.493 × 499 =
7. 7.31 × 32 =
8. 8.21 × 21 =
9. 9.46 × 47 =
10. 10.16 × 18 =
11. 11.61 × 64 =
12. 12.499 × 495 =
13. 13.605 × 601 =
14. 14.297 × 298 =
15. 15.28 × 26 =
16. 16.33 × 31 =
17. 17.69 × 66 =
18. 18.66 × 66 =
19. 19.42 × 41 =
20. 20.42 × 42 =
21. 21.598 × 598 =
22. 22.197 × 194 =
23. 23.88 × 86 =
24. 24.309 × 303 =
25. 25.596 × 595 =
26. 26.194 × 198 =
27. 27.495 × 491 =
28. 28.398 × 394 =
29. 29.86 × 87 =
30. 30.397 × 395 =
31. 31.26 × 29 =
32. 32.398 × 396 =
33. 33.498 × 499 =
34. 34.405 × 406 =
35. 35.31 × 32 =
36. 36.82 × 82 =
37. 37.207 × 206 =
38. 38.68 × 68 =
39. 39.88 × 89 =
40. 40.308 × 308 =

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