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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 972 · 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. 1.39² =
  2. 2.12² =
  3. 3.87² =
  4. 4.56² =
  5. 5.48² =
  6. 6.81² =
  7. 7.15² =
  8. 8.13² =
  9. 9.67² =
  10. 10.31² =
  11. 11.31² =
  12. 12.49² =
  13. 13.81² =
  14. 14.94² =
  15. 15.34² =
  16. 16.44² =
  17. 17.12² =
  18. 18.89² =
  19. 19.89² =
  20. 20.68² =
  21. 21.51² =
  22. 22.28² =
  23. 23.21² =
  24. 24.97² =
  25. 25.43² =
  26. 26.92² =
  27. 27.56² =
  28. 28.46² =
  29. 29.87² =
  30. 30.55² =
  31. 31.64² =
  32. 32.19² =
  33. 33.18² =
  34. 34.36² =
  35. 35.98² =
  36. 36.64² =
  37. 37.34² =
  38. 38.73² =
  39. 39.73² =
  40. 40.69² =

Answer key

  1. 1521
  2. 144
  3. 7569
  4. 3136
  5. 2304
  6. 6561
  7. 225
  8. 169
  9. 4489
  10. 961
  11. 961
  12. 2401
  13. 6561
  14. 8836
  15. 1156
  16. 1936
  17. 144
  18. 7921
  19. 7921
  20. 4624
  21. 2601
  22. 784
  23. 441
  24. 9409
  25. 1849
  26. 8464
  27. 3136
  28. 2116
  29. 7569
  30. 3025
  31. 4096
  32. 361
  33. 324
  34. 1296
  35. 9604
  36. 4096
  37. 1156
  38. 5329
  39. 5329
  40. 4761

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