Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 952 · 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. 1.505 × 505 =
2. 2.309 × 304 =
3. 3.197 × 196 =
4. 4.207 × 203 =
5. 5.301 × 301 =
6. 6.91 × 91 =
7. 7.596 × 595 =
8. 8.53 × 52 =
9. 9.34 × 31 =
10. 10.53 × 53 =
11. 11.298 × 299 =
12. 12.198 × 192 =
13. 13.77 × 79 =
14. 14.192 × 197 =
15. 15.39 × 38 =
16. 16.76 × 78 =
17. 17.403 × 403 =
18. 18.39 × 39 =
19. 19.295 × 295 =
20. 20.51 × 54 =
21. 21.23 × 21 =
22. 22.503 × 503 =
23. 23.34 × 31 =
24. 24.308 × 309 =
25. 25.307 × 301 =
26. 26.24 × 22 =
27. 27.76 × 77 =
28. 28.94 × 91 =
29. 29.406 × 407 =
30. 30.64 × 61 =
31. 31.403 × 408 =
32. 32.69 × 68 =
33. 33.497 × 493 =
34. 34.195 × 191 =
35. 35.69 × 67 =
36. 36.302 × 304 =
37. 37.87 × 89 =
38. 38.508 × 508 =
39. 39.396 × 392 =
40. 40.31 × 32 =

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