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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 558 · 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. 1.17² =
  2. 2.43² =
  3. 3.72² =
  4. 4.21² =
  5. 5.65² =
  6. 6.13² =
  7. 7.12² =
  8. 8.99² =
  9. 9.41² =
  10. 10.28² =
  11. 11.66² =
  12. 12.68² =
  13. 13.72² =
  14. 14.21² =
  15. 15.91² =
  16. 16.53² =
  17. 17.64² =
  18. 18.37² =
  19. 19.36² =
  20. 20.85² =
  21. 21.57² =
  22. 22.42² =
  23. 23.73² =
  24. 24.51² =
  25. 25.44² =
  26. 26.22² =
  27. 27.34² =
  28. 28.15² =
  29. 29.86² =
  30. 30.75² =
  31. 31.72² =
  32. 32.51² =
  33. 33.31² =
  34. 34.48² =
  35. 35.39² =
  36. 36.79² =
  37. 37.23² =
  38. 38.36² =
  39. 39.92² =
  40. 40.41² =

Answer key

  1. 289
  2. 1849
  3. 5184
  4. 441
  5. 4225
  6. 169
  7. 144
  8. 9801
  9. 1681
  10. 784
  11. 4356
  12. 4624
  13. 5184
  14. 441
  15. 8281
  16. 2809
  17. 4096
  18. 1369
  19. 1296
  20. 7225
  21. 3249
  22. 1764
  23. 5329
  24. 2601
  25. 1936
  26. 484
  27. 1156
  28. 225
  29. 7396
  30. 5625
  31. 5184
  32. 2601
  33. 961
  34. 2304
  35. 1521
  36. 6241
  37. 529
  38. 1296
  39. 8464
  40. 1681

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