Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 127 · 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. 1.47 × 49 =
2. 2.19 × 16 =
3. 3.292 × 298 =
4. 4.32 × 31 =
5. 5.197 × 191 =
6. 6.407 × 402 =
7. 7.506 × 508 =
8. 8.36 × 37 =
9. 9.407 × 402 =
10. 10.71 × 74 =
11. 11.31 × 31 =
12. 12.391 × 395 =
13. 13.63 × 64 =
14. 14.56 × 56 =
15. 15.39 × 39 =
16. 16.497 × 497 =
17. 17.53 × 52 =
18. 18.307 × 304 =
19. 19.63 × 64 =
20. 20.602 × 603 =
21. 21.303 × 309 =
22. 22.16 × 18 =
23. 23.205 × 207 =
24. 24.71 × 72 =
25. 25.89 × 87 =
26. 26.504 × 502 =
27. 27.16 × 17 =
28. 28.403 × 401 =
29. 29.83 × 82 =
30. 30.598 × 595 =
31. 31.38 × 36 =
32. 32.91 × 93 =
33. 33.31 × 33 =
34. 34.401 × 403 =
35. 35.392 × 395 =
36. 36.21 × 24 =
37. 37.69 × 66 =
38. 38.296 × 294 =
39. 39.19 × 17 =
40. 40.71 × 71 =

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