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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 251 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.35² =
  2. 2.13² =
  3. 3.42² =
  4. 4.98² =
  5. 5.89² =
  6. 6.18² =
  7. 7.71² =
  8. 8.43² =
  9. 9.41² =
  10. 10.32² =
  11. 11.68² =
  12. 12.66² =
  13. 13.42² =
  14. 14.73² =
  15. 15.85² =
  16. 16.38² =
  17. 17.17² =
  18. 18.12² =
  19. 19.86² =
  20. 20.58² =
  21. 21.87² =
  22. 22.67² =
  23. 23.63² =
  24. 24.54² =
  25. 25.19² =
  26. 26.28² =
  27. 27.61² =
  28. 28.89² =
  29. 29.75² =
  30. 30.11² =
  31. 31.41² =
  32. 32.81² =
  33. 33.33² =
  34. 34.51² =
  35. 35.27² =
  36. 36.35² =
  37. 37.81² =
  38. 38.34² =
  39. 39.19² =
  40. 40.93² =

Answer key

  1. 1225
  2. 169
  3. 1764
  4. 9604
  5. 7921
  6. 324
  7. 5041
  8. 1849
  9. 1681
  10. 1024
  11. 4624
  12. 4356
  13. 1764
  14. 5329
  15. 7225
  16. 1444
  17. 289
  18. 144
  19. 7396
  20. 3364
  21. 7569
  22. 4489
  23. 3969
  24. 2916
  25. 361
  26. 784
  27. 3721
  28. 7921
  29. 5625
  30. 121
  31. 1681
  32. 6561
  33. 1089
  34. 2601
  35. 729
  36. 1225
  37. 6561
  38. 1156
  39. 361
  40. 8649

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