Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 466 · 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. 1.88 × 86 =
2. 2.57 × 59 =
3. 3.64 × 61 =
4. 4.93 × 91 =
5. 5.592 × 593 =
6. 6.48 × 49 =
7. 7.194 × 192 =
8. 8.43 × 43 =
9. 9.491 × 496 =
10. 10.599 × 599 =
11. 11.296 × 291 =
12. 12.16 × 18 =
13. 13.82 × 81 =
14. 14.293 × 295 =
15. 15.203 × 204 =
16. 16.498 × 499 =
17. 17.197 × 197 =
18. 18.18 × 17 =
19. 19.393 × 397 =
20. 20.602 × 605 =
21. 21.594 × 598 =
22. 22.83 × 84 =
23. 23.69 × 69 =
24. 24.201 × 205 =
25. 25.89 × 88 =
26. 26.54 × 53 =
27. 27.29 × 26 =
28. 28.58 × 58 =
29. 29.408 × 406 =
30. 30.303 × 307 =
31. 31.79 × 77 =
32. 32.17 × 19 =
33. 33.402 × 405 =
34. 34.209 × 202 =
35. 35.91 × 91 =
36. 36.31 × 34 =
37. 37.506 × 508 =
38. 38.207 × 202 =
39. 39.87 × 87 =
40. 40.33 × 33 =

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