Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 208 · 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. 1.409 × 404 =
2. 2.592 × 598 =
3. 3.56 × 59 =
4. 4.43 × 44 =
5. 5.504 × 508 =
6. 6.391 × 397 =
7. 7.501 × 507 =
8. 8.78 × 76 =
9. 9.54 × 51 =
10. 10.46 × 46 =
11. 11.48 × 49 =
12. 12.84 × 84 =
13. 13.391 × 398 =
14. 14.409 × 405 =
15. 15.609 × 605 =
16. 16.607 × 606 =
17. 17.24 × 21 =
18. 18.22 × 23 =
19. 19.606 × 602 =
20. 20.607 × 601 =
21. 21.61 × 63 =
22. 22.298 × 295 =
23. 23.506 × 505 =
24. 24.291 × 292 =
25. 25.23 × 23 =
26. 26.197 × 191 =
27. 27.58 × 56 =
28. 28.192 × 191 =
29. 29.193 × 195 =
30. 30.38 × 39 =
31. 31.499 × 495 =
32. 32.592 × 592 =
33. 33.304 × 305 =
34. 34.23 × 22 =
35. 35.37 × 36 =
36. 36.89 × 89 =
37. 37.492 × 496 =
38. 38.296 × 291 =
39. 39.296 × 293 =
40. 40.58 × 56 =

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