Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 673 · 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. 1.401 × 407 =
2. 2.22 × 22 =
3. 3.89 × 86 =
4. 4.299 × 299 =
5. 5.499 × 491 =
6. 6.509 × 508 =
7. 7.291 × 298 =
8. 8.54 × 51 =
9. 9.401 × 401 =
10. 10.593 × 592 =
11. 11.196 × 196 =
12. 12.607 × 602 =
13. 13.598 × 595 =
14. 14.78 × 79 =
15. 15.39 × 36 =
16. 16.298 × 296 =
17. 17.296 × 293 =
18. 18.19 × 18 =
19. 19.294 × 298 =
20. 20.21 × 24 =
21. 21.504 × 505 =
22. 22.598 × 596 =
23. 23.206 × 204 =
24. 24.74 × 74 =
25. 25.491 × 498 =
26. 26.592 × 599 =
27. 27.22 × 22 =
28. 28.67 × 67 =
29. 29.191 × 191 =
30. 30.199 × 191 =
31. 31.58 × 59 =
32. 32.73 × 74 =
33. 33.299 × 296 =
34. 34.393 × 391 =
35. 35.196 × 199 =
36. 36.296 × 294 =
37. 37.306 × 303 =
38. 38.91 × 91 =
39. 39.66 × 67 =
40. 40.293 × 298 =

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