Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 477 · 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. 1.498 × 495 =
2. 2.29 × 28 =
3. 3.83 × 81 =
4. 4.51 × 53 =
5. 5.37 × 39 =
6. 6.77 × 76 =
7. 7.297 × 299 =
8. 8.407 × 402 =
9. 9.41 × 44 =
10. 10.29 × 29 =
11. 11.609 × 604 =
12. 12.87 × 86 =
13. 13.92 × 94 =
14. 14.89 × 86 =
15. 15.393 × 392 =
16. 16.66 × 69 =
17. 17.598 × 595 =
18. 18.598 × 596 =
19. 19.591 × 591 =
20. 20.608 × 601 =
21. 21.298 × 291 =
22. 22.49 × 48 =
23. 23.298 × 294 =
24. 24.57 × 56 =
25. 25.592 × 598 =
26. 26.28 × 26 =
27. 27.83 × 84 =
28. 28.308 × 303 =
29. 29.196 × 197 =
30. 30.493 × 496 =
31. 31.59 × 59 =
32. 32.17 × 17 =
33. 33.307 × 306 =
34. 34.603 × 604 =
35. 35.56 × 58 =
36. 36.62 × 63 =
37. 37.49 × 48 =
38. 38.596 × 594 =
39. 39.59 × 58 =
40. 40.59 × 57 =

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