Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 768 · 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. 1.207 × 204 =
2. 2.38 × 39 =
3. 3.46 × 47 =
4. 4.86 × 89 =
5. 5.78 × 78 =
6. 6.296 × 291 =
7. 7.26 × 27 =
8. 8.191 × 198 =
9. 9.306 × 305 =
10. 10.37 × 36 =
11. 11.596 × 599 =
12. 12.592 × 597 =
13. 13.196 × 199 =
14. 14.408 × 407 =
15. 15.44 × 41 =
16. 16.202 × 206 =
17. 17.64 × 62 =
18. 18.18 × 17 =
19. 19.504 × 506 =
20. 20.599 × 596 =
21. 21.304 × 304 =
22. 22.606 × 607 =
23. 23.309 × 307 =
24. 24.193 × 192 =
25. 25.62 × 62 =
26. 26.497 × 492 =
27. 27.496 × 492 =
28. 28.33 × 31 =
29. 29.606 × 607 =
30. 30.81 × 81 =
31. 31.82 × 82 =
32. 32.292 × 292 =
33. 33.91 × 92 =
34. 34.392 × 393 =
35. 35.29 × 29 =
36. 36.595 × 597 =
37. 37.605 × 602 =
38. 38.94 × 91 =
39. 39.497 × 497 =
40. 40.391 × 396 =

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