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Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 254 · 40 sums
TalentJR

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).

NameDateTime takenScore ___ / 40
  1. 1.29 × 27 =
  2. 2.496 × 496 =
  3. 3.594 × 593 =
  4. 4.28 × 28 =
  5. 5.94 × 91 =
  6. 6.502 × 507 =
  7. 7.204 × 204 =
  8. 8.593 × 596 =
  9. 9.28 × 27 =
  10. 10.93 × 91 =
  11. 11.39 × 39 =
  12. 12.49 × 46 =
  13. 13.51 × 52 =
  14. 14.31 × 34 =
  15. 15.39 × 39 =
  16. 16.76 × 79 =
  17. 17.394 × 397 =
  18. 18.37 × 36 =
  19. 19.23 × 24 =
  20. 20.71 × 72 =
  21. 21.42 × 43 =
  22. 22.76 × 76 =
  23. 23.92 × 92 =
  24. 24.606 × 602 =
  25. 25.36 × 36 =
  26. 26.297 × 291 =
  27. 27.36 × 39 =
  28. 28.77 × 77 =
  29. 29.307 × 308 =
  30. 30.39 × 37 =
  31. 31.293 × 298 =
  32. 32.196 × 197 =
  33. 33.57 × 59 =
  34. 34.83 × 84 =
  35. 35.599 × 593 =
  36. 36.56 × 59 =
  37. 37.66 × 67 =
  38. 38.198 × 193 =
  39. 39.398 × 397 =
  40. 40.28 × 26 =

Answer key

  1. 783
  2. 246016
  3. 352242
  4. 784
  5. 8554
  6. 254514
  7. 41616
  8. 353428
  9. 756
  10. 8463
  11. 1521
  12. 2254
  13. 2652
  14. 1054
  15. 1521
  16. 6004
  17. 156418
  18. 1332
  19. 552
  20. 5112
  21. 1806
  22. 5776
  23. 8464
  24. 364812
  25. 1296
  26. 86427
  27. 1404
  28. 5929
  29. 94556
  30. 1443
  31. 87314
  32. 38612
  33. 3363
  34. 6972
  35. 355207
  36. 3304
  37. 4422
  38. 38214
  39. 158006
  40. 728

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