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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 132 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For abc: columns D(a) | D(ab) | D(abc) | D(bc) | D(c). D(a) = a², D(ab) = 2ab, D(abc) = 2ac + b², D(abcd) = 2ad + 2bc. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.3783² =
  2. 2.8820² =
  3. 3.710² =
  4. 4.184² =
  5. 5.925² =
  6. 6.273² =
  7. 7.9085² =
  8. 8.112² =
  9. 9.202² =
  10. 10.585² =
  11. 11.154² =
  12. 12.2828² =
  13. 13.502² =
  14. 14.338² =
  15. 15.235² =
  16. 16.481² =
  17. 17.944² =
  18. 18.993² =
  19. 19.261² =
  20. 20.729² =
  21. 21.673² =
  22. 22.7585² =
  23. 23.745² =
  24. 24.833² =
  25. 25.2034² =
  26. 26.517² =
  27. 27.4774² =
  28. 28.889² =
  29. 29.843² =
  30. 30.275² =
  31. 31.869² =
  32. 32.8436² =
  33. 33.3020² =
  34. 34.347² =
  35. 35.294² =
  36. 36.719² =
  37. 37.652² =
  38. 38.481² =
  39. 39.758² =
  40. 40.443² =

Answer key

  1. 14311089
  2. 77792400
  3. 504100
  4. 33856
  5. 855625
  6. 74529
  7. 82537225
  8. 12544
  9. 40804
  10. 342225
  11. 23716
  12. 7997584
  13. 252004
  14. 114244
  15. 55225
  16. 231361
  17. 891136
  18. 986049
  19. 68121
  20. 531441
  21. 452929
  22. 57532225
  23. 555025
  24. 693889
  25. 4137156
  26. 267289
  27. 22791076
  28. 790321
  29. 710649
  30. 75625
  31. 755161
  32. 71166096
  33. 9120400
  34. 120409
  35. 86436
  36. 516961
  37. 425104
  38. 231361
  39. 574564
  40. 196249

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