Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 591 · 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. 1.81 × 83 =
2. 2.395 × 397 =
3. 3.77 × 79 =
4. 4.43 × 41 =
5. 5.306 × 304 =
6. 6.592 × 598 =
7. 7.501 × 504 =
8. 8.395 × 393 =
9. 9.69 × 66 =
10. 10.33 × 33 =
11. 11.26 × 26 =
12. 12.18 × 17 =
13. 13.46 × 47 =
14. 14.506 × 504 =
15. 15.595 × 591 =
16. 16.507 × 501 =
17. 17.499 × 494 =
18. 18.306 × 302 =
19. 19.306 × 306 =
20. 20.395 × 391 =
21. 21.86 × 88 =
22. 22.37 × 36 =
23. 23.19 × 19 =
24. 24.409 × 408 =
25. 25.68 × 69 =
26. 26.47 × 46 =
27. 27.39 × 36 =
28. 28.38 × 36 =
29. 29.409 × 401 =
30. 30.604 × 603 =
31. 31.302 × 302 =
32. 32.296 × 291 =
33. 33.493 × 491 =
34. 34.87 × 87 =
35. 35.46 × 48 =
36. 36.506 × 506 =
37. 37.291 × 291 =
38. 38.598 × 599 =
39. 39.17 × 19 =
40. 40.299 × 298 =

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