Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 510 · 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. 1.49 × 46 =
2. 2.302 × 301 =
3. 3.59 × 59 =
4. 4.191 × 198 =
5. 5.67 × 68 =
6. 6.61 × 62 =
7. 7.195 × 193 =
8. 8.77 × 78 =
9. 9.291 × 291 =
10. 10.94 × 92 =
11. 11.602 × 603 =
12. 12.395 × 393 =
13. 13.403 × 409 =
14. 14.41 × 42 =
15. 15.404 × 407 =
16. 16.409 × 405 =
17. 17.508 × 509 =
18. 18.591 × 593 =
19. 19.83 × 81 =
20. 20.292 × 293 =
21. 21.595 × 596 =
22. 22.79 × 79 =
23. 23.405 × 408 =
24. 24.88 × 89 =
25. 25.596 × 594 =
26. 26.83 × 81 =
27. 27.303 × 304 =
28. 28.304 × 307 =
29. 29.17 × 18 =
30. 30.81 × 81 =
31. 31.603 × 605 =
32. 32.38 × 38 =
33. 33.32 × 32 =
34. 34.408 × 404 =
35. 35.63 × 61 =
36. 36.198 × 193 =
37. 37.503 × 507 =
38. 38.299 × 299 =
39. 39.595 × 594 =
40. 40.18 × 18 =

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