Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 736 · 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. 1.41 × 43 =
2. 2.299 × 298 =
3. 3.198 × 198 =
4. 4.294 × 298 =
5. 5.83 × 84 =
6. 6.499 × 491 =
7. 7.394 × 395 =
8. 8.78 × 76 =
9. 9.492 × 499 =
10. 10.301 × 303 =
11. 11.17 × 17 =
12. 12.509 × 506 =
13. 13.84 × 84 =
14. 14.594 × 599 =
15. 15.31 × 33 =
16. 16.403 × 408 =
17. 17.56 × 57 =
18. 18.306 × 304 =
19. 19.73 × 71 =
20. 20.52 × 52 =
21. 21.16 × 17 =
22. 22.84 × 84 =
23. 23.22 × 21 =
24. 24.38 × 36 =
25. 25.82 × 81 =
26. 26.402 × 408 =
27. 27.86 × 89 =
28. 28.292 × 293 =
29. 29.32 × 31 =
30. 30.72 × 73 =
31. 31.81 × 82 =
32. 32.47 × 49 =
33. 33.31 × 34 =
34. 34.496 × 495 =
35. 35.305 × 301 =
36. 36.608 × 601 =
37. 37.36 × 37 =
38. 38.33 × 31 =
39. 39.66 × 69 =
40. 40.69 × 68 =

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