Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 788 · 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. 1.91 × 93 =
2. 2.44 × 43 =
3. 3.91 × 92 =
4. 4.597 × 594 =
5. 5.36 × 39 =
6. 6.61 × 61 =
7. 7.495 × 495 =
8. 8.506 × 501 =
9. 9.199 × 198 =
10. 10.17 × 18 =
11. 11.32 × 32 =
12. 12.508 × 501 =
13. 13.39 × 37 =
14. 14.28 × 28 =
15. 15.195 × 192 =
16. 16.509 × 502 =
17. 17.86 × 89 =
18. 18.299 × 294 =
19. 19.46 × 48 =
20. 20.47 × 48 =
21. 21.61 × 64 =
22. 22.31 × 33 =
23. 23.39 × 39 =
24. 24.605 × 602 =
25. 25.198 × 191 =
26. 26.493 × 491 =
27. 27.498 × 498 =
28. 28.76 × 77 =
29. 29.391 × 398 =
30. 30.24 × 22 =
31. 31.38 × 37 =
32. 32.291 × 297 =
33. 33.294 × 298 =
34. 34.57 × 58 =
35. 35.494 × 499 =
36. 36.492 × 491 =
37. 37.34 × 34 =
38. 38.298 × 291 =
39. 39.494 × 492 =
40. 40.58 × 57 =

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