Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 308 · 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. 1.16 × 17 =
2. 2.404 × 404 =
3. 3.76 × 79 =
4. 4.67 × 68 =
5. 5.38 × 38 =
6. 6.597 × 595 =
7. 7.83 × 82 =
8. 8.308 × 304 =
9. 9.27 × 26 =
10. 10.92 × 91 =
11. 11.194 × 196 =
12. 12.16 × 19 =
13. 13.492 × 499 =
14. 14.403 × 403 =
15. 15.31 × 33 =
16. 16.87 × 88 =
17. 17.405 × 404 =
18. 18.81 × 83 =
19. 19.309 × 304 =
20. 20.59 × 56 =
21. 21.292 × 298 =
22. 22.605 × 601 =
23. 23.195 × 198 =
24. 24.307 × 302 =
25. 25.31 × 33 =
26. 26.79 × 78 =
27. 27.62 × 64 =
28. 28.19 × 18 =
29. 29.43 × 44 =
30. 30.78 × 76 =
31. 31.398 × 396 =
32. 32.77 × 76 =
33. 33.508 × 507 =
34. 34.305 × 305 =
35. 35.298 × 297 =
36. 36.33 × 33 =
37. 37.71 × 72 =
38. 38.41 × 43 =
39. 39.595 × 596 =
40. 40.87 × 87 =

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