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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 441 · 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. 2.38² =
  3. 3.71² =
  4. 4.41² =
  5. 5.83² =
  6. 6.14² =
  7. 7.64² =
  8. 8.22² =
  9. 9.53² =
  10. 10.51² =
  11. 11.56² =
  12. 12.18² =
  13. 13.41² =
  14. 14.27² =
  15. 15.27² =
  16. 16.12² =
  17. 17.56² =
  18. 18.63² =
  19. 19.73² =
  20. 20.39² =
  21. 21.62² =
  22. 22.81² =
  23. 23.26² =
  24. 24.81² =
  25. 25.73² =
  26. 26.28² =
  27. 27.68² =
  28. 28.15² =
  29. 29.58² =
  30. 30.39² =
  31. 31.74² =
  32. 32.74² =
  33. 33.33² =
  34. 34.83² =
  35. 35.62² =
  36. 36.92² =
  37. 37.47² =
  38. 38.27² =
  39. 39.43² =
  40. 40.68² =

Answer key

  1. 289
  2. 1444
  3. 5041
  4. 1681
  5. 6889
  6. 196
  7. 4096
  8. 484
  9. 2809
  10. 2601
  11. 3136
  12. 324
  13. 1681
  14. 729
  15. 729
  16. 144
  17. 3136
  18. 3969
  19. 5329
  20. 1521
  21. 3844
  22. 6561
  23. 676
  24. 6561
  25. 5329
  26. 784
  27. 4624
  28. 225
  29. 3364
  30. 1521
  31. 5476
  32. 5476
  33. 1089
  34. 6889
  35. 3844
  36. 8464
  37. 2209
  38. 729
  39. 1849
  40. 4624

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