Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 272 · 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. 1.403 × 402 =
2. 2.41 × 41 =
3. 3.295 × 297 =
4. 4.297 × 295 =
5. 5.68 × 69 =
6. 6.304 × 304 =
7. 7.18 × 18 =
8. 8.19 × 16 =
9. 9.308 × 305 =
10. 10.506 × 504 =
11. 11.37 × 37 =
12. 12.398 × 391 =
13. 13.17 × 18 =
14. 14.299 × 296 =
15. 15.591 × 593 =
16. 16.18 × 19 =
17. 17.89 × 86 =
18. 18.498 × 494 =
19. 19.34 × 33 =
20. 20.24 × 24 =
21. 21.82 × 83 =
22. 22.22 × 21 =
23. 23.28 × 27 =
24. 24.42 × 41 =
25. 25.309 × 309 =
26. 26.404 × 405 =
27. 27.89 × 86 =
28. 28.607 × 603 =
29. 29.394 × 395 =
30. 30.56 × 57 =
31. 31.499 × 496 =
32. 32.395 × 396 =
33. 33.66 × 69 =
34. 34.48 × 47 =
35. 35.41 × 42 =
36. 36.23 × 24 =
37. 37.58 × 56 =
38. 38.81 × 82 =
39. 39.307 × 306 =
40. 40.82 × 82 =

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