Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 109 · 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. 1.209 × 206 =
2. 2.46 × 47 =
3. 3.49 × 48 =
4. 4.601 × 607 =
5. 5.394 × 398 =
6. 6.19 × 16 =
7. 7.62 × 63 =
8. 8.61 × 63 =
9. 9.78 × 79 =
10. 10.592 × 593 =
11. 11.606 × 605 =
12. 12.294 × 292 =
13. 13.292 × 298 =
14. 14.598 × 598 =
15. 15.82 × 81 =
16. 16.94 × 92 =
17. 17.592 × 596 =
18. 18.403 × 404 =
19. 19.203 × 205 =
20. 20.71 × 71 =
21. 21.56 × 57 =
22. 22.64 × 64 =
23. 23.191 × 193 =
24. 24.43 × 41 =
25. 25.605 × 606 =
26. 26.596 × 597 =
27. 27.199 × 195 =
28. 28.197 × 199 =
29. 29.44 × 44 =
30. 30.27 × 28 =
31. 31.33 × 34 =
32. 32.51 × 54 =
33. 33.296 × 295 =
34. 34.591 × 594 =
35. 35.52 × 52 =
36. 36.591 × 593 =
37. 37.507 × 507 =
38. 38.17 × 17 =
39. 39.607 × 602 =
40. 40.498 × 497 =

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