Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 346 · 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. 1.393 × 392 =
2. 2.499 × 498 =
3. 3.69 × 68 =
4. 4.491 × 497 =
5. 5.607 × 605 =
6. 6.59 × 57 =
7. 7.206 × 204 =
8. 8.502 × 507 =
9. 9.26 × 26 =
10. 10.395 × 396 =
11. 11.63 × 61 =
12. 12.608 × 602 =
13. 13.37 × 39 =
14. 14.293 × 297 =
15. 15.74 × 72 =
16. 16.27 × 28 =
17. 17.609 × 606 =
18. 18.16 × 16 =
19. 19.34 × 34 =
20. 20.201 × 203 =
21. 21.305 × 308 =
22. 22.595 × 598 =
23. 23.42 × 41 =
24. 24.89 × 89 =
25. 25.17 × 19 =
26. 26.82 × 84 =
27. 27.16 × 16 =
28. 28.47 × 46 =
29. 29.18 × 17 =
30. 30.506 × 503 =
31. 31.36 × 38 =
32. 32.74 × 71 =
33. 33.74 × 72 =
34. 34.36 × 39 =
35. 35.191 × 191 =
36. 36.404 × 406 =
37. 37.496 × 495 =
38. 38.59 × 58 =
39. 39.29 × 29 =
40. 40.57 × 57 =

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