Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 583 · 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. 1.69 × 66 =
2. 2.26 × 29 =
3. 3.19 × 18 =
4. 4.605 × 605 =
5. 5.492 × 495 =
6. 6.395 × 398 =
7. 7.89 × 87 =
8. 8.32 × 32 =
9. 9.596 × 596 =
10. 10.76 × 79 =
11. 11.61 × 63 =
12. 12.54 × 53 =
13. 13.392 × 392 =
14. 14.46 × 49 =
15. 15.19 × 18 =
16. 16.297 × 296 =
17. 17.27 × 29 =
18. 18.504 × 502 =
19. 19.295 × 299 =
20. 20.491 × 494 =
21. 21.58 × 58 =
22. 22.594 × 594 =
23. 23.81 × 84 =
24. 24.64 × 63 =
25. 25.61 × 63 =
26. 26.77 × 77 =
27. 27.496 × 492 =
28. 28.87 × 88 =
29. 29.499 × 492 =
30. 30.64 × 64 =
31. 31.509 × 506 =
32. 32.291 × 293 =
33. 33.79 × 76 =
34. 34.78 × 76 =
35. 35.491 × 496 =
36. 36.398 × 394 =
37. 37.68 × 69 =
38. 38.27 × 27 =
39. 39.32 × 33 =
40. 40.593 × 595 =

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