Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 808 · 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. 1.29 × 29 =
2. 2.34 × 33 =
3. 3.407 × 409 =
4. 4.93 × 93 =
5. 5.602 × 605 =
6. 6.593 × 591 =
7. 7.33 × 31 =
8. 8.78 × 77 =
9. 9.18 × 19 =
10. 10.398 × 399 =
11. 11.292 × 292 =
12. 12.495 × 491 =
13. 13.86 × 87 =
14. 14.508 × 506 =
15. 15.47 × 46 =
16. 16.197 × 195 =
17. 17.47 × 46 =
18. 18.302 × 304 =
19. 19.16 × 17 =
20. 20.298 × 291 =
21. 21.409 × 408 =
22. 22.27 × 29 =
23. 23.17 × 17 =
24. 24.602 × 602 =
25. 25.92 × 91 =
26. 26.17 × 19 =
27. 27.404 × 403 =
28. 28.293 × 299 =
29. 29.591 × 595 =
30. 30.43 × 41 =
31. 31.82 × 83 =
32. 32.79 × 76 =
33. 33.594 × 593 =
34. 34.22 × 22 =
35. 35.396 × 395 =
36. 36.18 × 17 =
37. 37.296 × 292 =
38. 38.94 × 93 =
39. 39.295 × 297 =
40. 40.399 × 397 =

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