Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 422 · 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. 1.196 × 193 =
2. 2.198 × 191 =
3. 3.26 × 29 =
4. 4.302 × 303 =
5. 5.404 × 403 =
6. 6.64 × 61 =
7. 7.308 × 309 =
8. 8.408 × 409 =
9. 9.298 × 298 =
10. 10.66 × 66 =
11. 11.493 × 495 =
12. 12.31 × 32 =
13. 13.501 × 505 =
14. 14.49 × 47 =
15. 15.86 × 89 =
16. 16.198 × 198 =
17. 17.304 × 307 =
18. 18.61 × 64 =
19. 19.89 × 89 =
20. 20.23 × 21 =
21. 21.408 × 405 =
22. 22.56 × 57 =
23. 23.493 × 491 =
24. 24.598 × 599 =
25. 25.66 × 69 =
26. 26.93 × 92 =
27. 27.291 × 295 =
28. 28.69 × 69 =
29. 29.28 × 26 =
30. 30.84 × 83 =
31. 31.84 × 82 =
32. 32.603 × 603 =
33. 33.64 × 62 =
34. 34.493 × 499 =
35. 35.291 × 294 =
36. 36.21 × 21 =
37. 37.73 × 71 =
38. 38.68 × 66 =
39. 39.89 × 89 =
40. 40.81 × 82 =

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