Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 473 · 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. 1.39 × 39 =
2. 2.59 × 59 =
3. 3.64 × 63 =
4. 4.299 × 293 =
5. 5.52 × 53 =
6. 6.509 × 504 =
7. 7.209 × 207 =
8. 8.607 × 603 =
9. 9.292 × 295 =
10. 10.46 × 49 =
11. 11.16 × 16 =
12. 12.26 × 27 =
13. 13.304 × 305 =
14. 14.406 × 405 =
15. 15.77 × 76 =
16. 16.592 × 591 =
17. 17.603 × 601 =
18. 18.408 × 402 =
19. 19.402 × 405 =
20. 20.21 × 21 =
21. 21.599 × 591 =
22. 22.53 × 51 =
23. 23.81 × 82 =
24. 24.304 × 307 =
25. 25.405 × 404 =
26. 26.67 × 68 =
27. 27.39 × 39 =
28. 28.22 × 22 =
29. 29.41 × 44 =
30. 30.63 × 61 =
31. 31.592 × 593 =
32. 32.76 × 79 =
33. 33.194 × 197 =
34. 34.396 × 394 =
35. 35.33 × 31 =
36. 36.201 × 209 =
37. 37.18 × 16 =
38. 38.51 × 51 =
39. 39.598 × 595 =
40. 40.64 × 61 =

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