Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 538 · 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 × 94 =
2. 2.59 × 59 =
3. 3.407 × 406 =
4. 4.92 × 93 =
5. 5.393 × 391 =
6. 6.38 × 38 =
7. 7.74 × 71 =
8. 8.42 × 41 =
9. 9.506 × 508 =
10. 10.17 × 19 =
11. 11.89 × 89 =
12. 12.48 × 48 =
13. 13.94 × 94 =
14. 14.18 × 16 =
15. 15.401 × 403 =
16. 16.306 × 307 =
17. 17.48 × 46 =
18. 18.78 × 76 =
19. 19.87 × 86 =
20. 20.309 × 302 =
21. 21.409 × 402 =
22. 22.594 × 592 =
23. 23.19 × 19 =
24. 24.53 × 52 =
25. 25.52 × 53 =
26. 26.82 × 82 =
27. 27.79 × 76 =
28. 28.22 × 22 =
29. 29.71 × 71 =
30. 30.401 × 405 =
31. 31.299 × 295 =
32. 32.291 × 294 =
33. 33.52 × 52 =
34. 34.605 × 601 =
35. 35.409 × 407 =
36. 36.69 × 69 =
37. 37.78 × 77 =
38. 38.28 × 29 =
39. 39.491 × 499 =
40. 40.199 × 196 =

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