Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 536 · 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. 1.21 × 21 =
2. 2.294 × 291 =
3. 3.197 × 193 =
4. 4.32 × 34 =
5. 5.59 × 57 =
6. 6.604 × 603 =
7. 7.83 × 82 =
8. 8.59 × 57 =
9. 9.33 × 33 =
10. 10.296 × 296 =
11. 11.192 × 193 =
12. 12.498 × 497 =
13. 13.94 × 92 =
14. 14.204 × 203 =
15. 15.493 × 495 =
16. 16.592 × 596 =
17. 17.199 × 195 =
18. 18.59 × 57 =
19. 19.19 × 16 =
20. 20.48 × 46 =
21. 21.38 × 38 =
22. 22.68 × 68 =
23. 23.298 × 292 =
24. 24.78 × 76 =
25. 25.66 × 69 =
26. 26.17 × 17 =
27. 27.492 × 498 =
28. 28.37 × 37 =
29. 29.494 × 492 =
30. 30.51 × 51 =
31. 31.602 × 608 =
32. 32.203 × 203 =
33. 33.24 × 23 =
34. 34.93 × 91 =
35. 35.84 × 83 =
36. 36.608 × 601 =
37. 37.78 × 77 =
38. 38.199 × 198 =
39. 39.405 × 406 =
40. 40.44 × 41 =

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