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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 656 · 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. 1.26² =
  2. 2.12² =
  3. 3.87² =
  4. 4.99² =
  5. 5.69² =
  6. 6.51² =
  7. 7.23² =
  8. 8.12² =
  9. 9.81² =
  10. 10.74² =
  11. 11.15² =
  12. 12.98² =
  13. 13.99² =
  14. 14.55² =
  15. 15.49² =
  16. 16.18² =
  17. 17.89² =
  18. 18.31² =
  19. 19.99² =
  20. 20.96² =
  21. 21.61² =
  22. 22.28² =
  23. 23.92² =
  24. 24.48² =
  25. 25.92² =
  26. 26.41² =
  27. 27.33² =
  28. 28.94² =
  29. 29.42² =
  30. 30.31² =
  31. 31.28² =
  32. 32.58² =
  33. 33.71² =
  34. 34.77² =
  35. 35.32² =
  36. 36.56² =
  37. 37.26² =
  38. 38.56² =
  39. 39.86² =
  40. 40.74² =

Answer key

  1. 676
  2. 144
  3. 7569
  4. 9801
  5. 4761
  6. 2601
  7. 529
  8. 144
  9. 6561
  10. 5476
  11. 225
  12. 9604
  13. 9801
  14. 3025
  15. 2401
  16. 324
  17. 7921
  18. 961
  19. 9801
  20. 9216
  21. 3721
  22. 784
  23. 8464
  24. 2304
  25. 8464
  26. 1681
  27. 1089
  28. 8836
  29. 1764
  30. 961
  31. 784
  32. 3364
  33. 5041
  34. 5929
  35. 1024
  36. 3136
  37. 676
  38. 3136
  39. 7396
  40. 5476

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