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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 155 · 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. 1.62² =
  2. 2.48² =
  3. 3.31² =
  4. 4.15² =
  5. 5.39² =
  6. 6.94² =
  7. 7.25² =
  8. 8.66² =
  9. 9.44² =
  10. 10.21² =
  11. 11.85² =
  12. 12.54² =
  13. 13.98² =
  14. 14.42² =
  15. 15.22² =
  16. 16.41² =
  17. 17.12² =
  18. 18.18² =
  19. 19.29² =
  20. 20.46² =
  21. 21.65² =
  22. 22.89² =
  23. 23.88² =
  24. 24.66² =
  25. 25.31² =
  26. 26.84² =
  27. 27.88² =
  28. 28.43² =
  29. 29.29² =
  30. 30.32² =
  31. 31.51² =
  32. 32.84² =
  33. 33.34² =
  34. 34.55² =
  35. 35.96² =
  36. 36.93² =
  37. 37.15² =
  38. 38.62² =
  39. 39.97² =
  40. 40.37² =

Answer key

  1. 3844
  2. 2304
  3. 961
  4. 225
  5. 1521
  6. 8836
  7. 625
  8. 4356
  9. 1936
  10. 441
  11. 7225
  12. 2916
  13. 9604
  14. 1764
  15. 484
  16. 1681
  17. 144
  18. 324
  19. 841
  20. 2116
  21. 4225
  22. 7921
  23. 7744
  24. 4356
  25. 961
  26. 7056
  27. 7744
  28. 1849
  29. 841
  30. 1024
  31. 2601
  32. 7056
  33. 1156
  34. 3025
  35. 9216
  36. 8649
  37. 225
  38. 3844
  39. 9409
  40. 1369

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