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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 455 · 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. 1.66² =
  2. 2.97² =
  3. 3.25² =
  4. 4.45² =
  5. 5.15² =
  6. 6.21² =
  7. 7.14² =
  8. 8.65² =
  9. 9.89² =
  10. 10.27² =
  11. 11.82² =
  12. 12.88² =
  13. 13.69² =
  14. 14.86² =
  15. 15.62² =
  16. 16.56² =
  17. 17.62² =
  18. 18.12² =
  19. 19.49² =
  20. 20.62² =
  21. 21.28² =
  22. 22.61² =
  23. 23.22² =
  24. 24.66² =
  25. 25.18² =
  26. 26.84² =
  27. 27.87² =
  28. 28.66² =
  29. 29.36² =
  30. 30.51² =
  31. 31.56² =
  32. 32.22² =
  33. 33.22² =
  34. 34.66² =
  35. 35.29² =
  36. 36.23² =
  37. 37.54² =
  38. 38.29² =
  39. 39.61² =
  40. 40.81² =

Answer key

  1. 4356
  2. 9409
  3. 625
  4. 2025
  5. 225
  6. 441
  7. 196
  8. 4225
  9. 7921
  10. 729
  11. 6724
  12. 7744
  13. 4761
  14. 7396
  15. 3844
  16. 3136
  17. 3844
  18. 144
  19. 2401
  20. 3844
  21. 784
  22. 3721
  23. 484
  24. 4356
  25. 324
  26. 7056
  27. 7569
  28. 4356
  29. 1296
  30. 2601
  31. 3136
  32. 484
  33. 484
  34. 4356
  35. 841
  36. 529
  37. 2916
  38. 841
  39. 3721
  40. 6561

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