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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 62 · 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. 1.7050² =
  2. 2.397² =
  3. 3.9019² =
  4. 4.3241² =
  5. 5.413² =
  6. 6.699² =
  7. 7.5760² =
  8. 8.273² =
  9. 9.611² =
  10. 10.283² =
  11. 11.5427² =
  12. 12.325² =
  13. 13.690² =
  14. 14.586² =
  15. 15.436² =
  16. 16.350² =
  17. 17.796² =
  18. 18.2178² =
  19. 19.521² =
  20. 20.7523² =
  21. 21.870² =
  22. 22.492² =
  23. 23.433² =
  24. 24.7307² =
  25. 25.3265² =
  26. 26.1266² =
  27. 27.547² =
  28. 28.807² =
  29. 29.533² =
  30. 30.592² =
  31. 31.327² =
  32. 32.834² =
  33. 33.5484² =
  34. 34.516² =
  35. 35.112² =
  36. 36.368² =
  37. 37.6328² =
  38. 38.651² =
  39. 39.683² =
  40. 40.722² =

Answer key

  1. 49702500
  2. 157609
  3. 81342361
  4. 10504081
  5. 170569
  6. 488601
  7. 33177600
  8. 74529
  9. 373321
  10. 80089
  11. 29452329
  12. 105625
  13. 476100
  14. 343396
  15. 190096
  16. 122500
  17. 633616
  18. 4743684
  19. 271441
  20. 56595529
  21. 756900
  22. 242064
  23. 187489
  24. 53392249
  25. 10660225
  26. 1602756
  27. 299209
  28. 651249
  29. 284089
  30. 350464
  31. 106929
  32. 695556
  33. 30074256
  34. 266256
  35. 12544
  36. 135424
  37. 40043584
  38. 423801
  39. 466489
  40. 521284

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