Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 49 · 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. 1.92 × 92 =
2. 2.32 × 32 =
3. 3.81 × 83 =
4. 4.59 × 58 =
5. 5.28 × 29 =
6. 6.32 × 32 =
7. 7.403 × 406 =
8. 8.395 × 394 =
9. 9.597 × 599 =
10. 10.506 × 504 =
11. 11.29 × 26 =
12. 12.296 × 293 =
13. 13.197 × 192 =
14. 14.51 × 53 =
15. 15.497 × 495 =
16. 16.46 × 47 =
17. 17.506 × 502 =
18. 18.397 × 392 =
19. 19.67 × 67 =
20. 20.29 × 29 =
21. 21.58 × 59 =
22. 22.204 × 209 =
23. 23.64 × 61 =
24. 24.505 × 502 =
25. 25.309 × 309 =
26. 26.402 × 401 =
27. 27.34 × 32 =
28. 28.69 × 69 =
29. 29.498 × 496 =
30. 30.92 × 92 =
31. 31.206 × 204 =
32. 32.69 × 67 =
33. 33.193 × 191 =
34. 34.403 × 401 =
35. 35.201 × 201 =
36. 36.601 × 602 =
37. 37.27 × 27 =
38. 38.297 × 299 =
39. 39.299 × 295 =
40. 40.301 × 308 =

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