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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 101 · 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. 1.69² =
  2. 2.25² =
  3. 3.19² =
  4. 4.65² =
  5. 5.21² =
  6. 6.29² =
  7. 7.94² =
  8. 8.33² =
  9. 9.41² =
  10. 10.13² =
  11. 11.12² =
  12. 12.73² =
  13. 13.44² =
  14. 14.18² =
  15. 15.46² =
  16. 16.63² =
  17. 17.54² =
  18. 18.19² =
  19. 19.54² =
  20. 20.79² =
  21. 21.44² =
  22. 22.64² =
  23. 23.91² =
  24. 24.35² =
  25. 25.28² =
  26. 26.13² =
  27. 27.42² =
  28. 28.77² =
  29. 29.39² =
  30. 30.92² =
  31. 31.18² =
  32. 32.62² =
  33. 33.96² =
  34. 34.42² =
  35. 35.15² =
  36. 36.77² =
  37. 37.45² =
  38. 38.57² =
  39. 39.76² =
  40. 40.21² =

Answer key

  1. 4761
  2. 625
  3. 361
  4. 4225
  5. 441
  6. 841
  7. 8836
  8. 1089
  9. 1681
  10. 169
  11. 144
  12. 5329
  13. 1936
  14. 324
  15. 2116
  16. 3969
  17. 2916
  18. 361
  19. 2916
  20. 6241
  21. 1936
  22. 4096
  23. 8281
  24. 1225
  25. 784
  26. 169
  27. 1764
  28. 5929
  29. 1521
  30. 8464
  31. 324
  32. 3844
  33. 9216
  34. 1764
  35. 225
  36. 5929
  37. 2025
  38. 3249
  39. 5776
  40. 441

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