Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 472 · 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. 1.492 × 492 =
2. 2.194 × 197 =
3. 3.599 × 592 =
4. 4.39 × 36 =
5. 5.39 × 37 =
6. 6.39 × 37 =
7. 7.399 × 397 =
8. 8.34 × 31 =
9. 9.501 × 508 =
10. 10.86 × 86 =
11. 11.87 × 87 =
12. 12.86 × 87 =
13. 13.77 × 78 =
14. 14.79 × 78 =
15. 15.208 × 202 =
16. 16.57 × 57 =
17. 17.493 × 499 =
18. 18.39 × 39 =
19. 19.404 × 406 =
20. 20.94 × 92 =
21. 21.21 × 22 =
22. 22.299 × 295 =
23. 23.53 × 54 =
24. 24.305 × 303 =
25. 25.507 × 501 =
26. 26.598 × 598 =
27. 27.51 × 51 =
28. 28.497 × 498 =
29. 29.26 × 29 =
30. 30.82 × 84 =
31. 31.497 × 498 =
32. 32.601 × 607 =
33. 33.78 × 78 =
34. 34.59 × 59 =
35. 35.201 × 209 =
36. 36.206 × 209 =
37. 37.89 × 89 =
38. 38.508 × 501 =
39. 39.27 × 26 =
40. 40.68 × 66 =

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