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Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 692 · 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. 1.122² =
  2. 2.463² =
  3. 3.871² =
  4. 4.893² =
  5. 5.463² =
  6. 6.492² =
  7. 7.7051² =
  8. 8.226² =
  9. 9.136² =
  10. 10.8011² =
  11. 11.862² =
  12. 12.183² =
  13. 13.8761² =
  14. 14.690² =
  15. 15.743² =
  16. 16.7042² =
  17. 17.8610² =
  18. 18.443² =
  19. 19.1631² =
  20. 20.2510² =
  21. 21.3426² =
  22. 22.152² =
  23. 23.991² =
  24. 24.794² =
  25. 25.900² =
  26. 26.5027² =
  27. 27.516² =
  28. 28.4204² =
  29. 29.3692² =
  30. 30.8037² =
  31. 31.6008² =
  32. 32.444² =
  33. 33.713² =
  34. 34.6758² =
  35. 35.698² =
  36. 36.580² =
  37. 37.472² =
  38. 38.706² =
  39. 39.595² =
  40. 40.5593² =

Answer key

  1. 14884
  2. 214369
  3. 758641
  4. 797449
  5. 214369
  6. 242064
  7. 49716601
  8. 51076
  9. 18496
  10. 64176121
  11. 743044
  12. 33489
  13. 76755121
  14. 476100
  15. 552049
  16. 49589764
  17. 74132100
  18. 196249
  19. 2660161
  20. 6300100
  21. 11737476
  22. 23104
  23. 982081
  24. 630436
  25. 810000
  26. 25270729
  27. 266256
  28. 17673616
  29. 13630864
  30. 64593369
  31. 36096064
  32. 197136
  33. 508369
  34. 45670564
  35. 487204
  36. 336400
  37. 222784
  38. 498436
  39. 354025
  40. 31281649

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