Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 372 · 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. 1.22 × 24 =
2. 2.53 × 51 =
3. 3.68 × 69 =
4. 4.303 × 305 =
5. 5.406 × 408 =
6. 6.397 × 395 =
7. 7.292 × 297 =
8. 8.499 × 496 =
9. 9.496 × 496 =
10. 10.89 × 86 =
11. 11.296 × 294 =
12. 12.74 × 71 =
13. 13.393 × 397 =
14. 14.592 × 595 =
15. 15.31 × 31 =
16. 16.39 × 36 =
17. 17.49 × 49 =
18. 18.92 × 94 =
19. 19.308 × 305 =
20. 20.495 × 499 =
21. 21.499 × 492 =
22. 22.34 × 34 =
23. 23.19 × 19 =
24. 24.397 × 394 =
25. 25.598 × 597 =
26. 26.497 × 499 =
27. 27.51 × 54 =
28. 28.28 × 26 =
29. 29.495 × 494 =
30. 30.601 × 601 =
31. 31.93 × 94 =
32. 32.594 × 597 =
33. 33.31 × 34 =
34. 34.26 × 26 =
35. 35.408 × 405 =
36. 36.298 × 299 =
37. 37.19 × 17 =
38. 38.292 × 298 =
39. 39.56 × 59 =
40. 40.502 × 503 =

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