Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 829 · 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. 1.22 × 22 =
2. 2.608 × 609 =
3. 3.66 × 66 =
4. 4.27 × 28 =
5. 5.51 × 54 =
6. 6.54 × 51 =
7. 7.492 × 493 =
8. 8.601 × 601 =
9. 9.409 × 405 =
10. 10.27 × 26 =
11. 11.294 × 291 =
12. 12.73 × 73 =
13. 13.91 × 92 =
14. 14.22 × 24 =
15. 15.66 × 68 =
16. 16.17 × 19 =
17. 17.405 × 403 =
18. 18.24 × 24 =
19. 19.192 × 195 =
20. 20.87 × 86 =
21. 21.33 × 31 =
22. 22.197 × 199 =
23. 23.492 × 499 =
24. 24.53 × 53 =
25. 25.392 × 392 =
26. 26.47 × 49 =
27. 27.28 × 27 =
28. 28.63 × 64 =
29. 29.597 × 598 =
30. 30.79 × 77 =
31. 31.399 × 393 =
32. 32.198 × 196 =
33. 33.81 × 82 =
34. 34.24 × 24 =
35. 35.507 × 504 =
36. 36.596 × 593 =
37. 37.62 × 64 =
38. 38.601 × 609 =
39. 39.204 × 201 =
40. 40.307 × 305 =

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