Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 502 · 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. 1.591 × 599 =
2. 2.16 × 17 =
3. 3.93 × 92 =
4. 4.18 × 16 =
5. 5.504 × 501 =
6. 6.52 × 51 =
7. 7.504 × 509 =
8. 8.92 × 91 =
9. 9.86 × 86 =
10. 10.403 × 407 =
11. 11.291 × 295 =
12. 12.62 × 64 =
13. 13.26 × 26 =
14. 14.64 × 63 =
15. 15.609 × 604 =
16. 16.603 × 605 =
17. 17.16 × 19 =
18. 18.295 × 294 =
19. 19.606 × 603 =
20. 20.27 × 29 =
21. 21.28 × 27 =
22. 22.31 × 33 =
23. 23.502 × 501 =
24. 24.27 × 27 =
25. 25.294 × 297 =
26. 26.58 × 57 =
27. 27.42 × 41 =
28. 28.21 × 22 =
29. 29.74 × 74 =
30. 30.36 × 36 =
31. 31.397 × 391 =
32. 32.53 × 52 =
33. 33.592 × 599 =
34. 34.404 × 401 =
35. 35.406 × 403 =
36. 36.67 × 68 =
37. 37.591 × 594 =
38. 38.47 × 49 =
39. 39.495 × 496 =
40. 40.203 × 209 =

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