Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 378 · 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. 1.32 × 31 =
2. 2.304 × 303 =
3. 3.47 × 48 =
4. 4.28 × 26 =
5. 5.206 × 201 =
6. 6.52 × 54 =
7. 7.199 × 199 =
8. 8.31 × 31 =
9. 9.598 × 593 =
10. 10.194 × 193 =
11. 11.42 × 43 =
12. 12.408 × 404 =
13. 13.204 × 201 =
14. 14.191 × 195 =
15. 15.59 × 57 =
16. 16.49 × 48 =
17. 17.208 × 206 =
18. 18.78 × 77 =
19. 19.44 × 44 =
20. 20.49 × 46 =
21. 21.27 × 26 =
22. 22.34 × 32 =
23. 23.37 × 37 =
24. 24.608 × 603 =
25. 25.492 × 496 =
26. 26.83 × 81 =
27. 27.597 × 592 =
28. 28.37 × 36 =
29. 29.302 × 303 =
30. 30.294 × 293 =
31. 31.498 × 495 =
32. 32.204 × 205 =
33. 33.607 × 603 =
34. 34.69 × 68 =
35. 35.593 × 593 =
36. 36.19 × 19 =
37. 37.403 × 406 =
38. 38.43 × 41 =
39. 39.495 × 497 =
40. 40.401 × 408 =

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