Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 285 · 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. 1.67 × 66 =
2. 2.496 × 494 =
3. 3.599 × 595 =
4. 4.494 × 499 =
5. 5.91 × 93 =
6. 6.91 × 93 =
7. 7.49 × 47 =
8. 8.46 × 49 =
9. 9.46 × 49 =
10. 10.508 × 506 =
11. 11.51 × 52 =
12. 12.503 × 509 =
13. 13.46 × 49 =
14. 14.603 × 605 =
15. 15.33 × 32 =
16. 16.497 × 495 =
17. 17.409 × 409 =
18. 18.507 × 501 =
19. 19.31 × 32 =
20. 20.37 × 37 =
21. 21.82 × 83 =
22. 22.94 × 94 =
23. 23.27 × 27 =
24. 24.48 × 46 =
25. 25.609 × 609 =
26. 26.491 × 499 =
27. 27.193 × 195 =
28. 28.299 × 298 =
29. 29.208 × 204 =
30. 30.87 × 88 =
31. 31.37 × 38 =
32. 32.32 × 34 =
33. 33.29 × 29 =
34. 34.87 × 86 =
35. 35.54 × 54 =
36. 36.401 × 405 =
37. 37.29 × 26 =
38. 38.296 × 297 =
39. 39.91 × 93 =
40. 40.28 × 26 =

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