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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 193 · 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. 1.55² =
  2. 2.88² =
  3. 3.22² =
  4. 4.88² =
  5. 5.92² =
  6. 6.77² =
  7. 7.63² =
  8. 8.44² =
  9. 9.95² =
  10. 10.61² =
  11. 11.89² =
  12. 12.35² =
  13. 13.21² =
  14. 14.42² =
  15. 15.61² =
  16. 16.26² =
  17. 17.58² =
  18. 18.51² =
  19. 19.24² =
  20. 20.95² =
  21. 21.41² =
  22. 22.62² =
  23. 23.66² =
  24. 24.72² =
  25. 25.88² =
  26. 26.12² =
  27. 27.27² =
  28. 28.54² =
  29. 29.64² =
  30. 30.41² =
  31. 31.25² =
  32. 32.61² =
  33. 33.89² =
  34. 34.71² =
  35. 35.83² =
  36. 36.19² =
  37. 37.28² =
  38. 38.25² =
  39. 39.43² =
  40. 40.79² =

Answer key

  1. 3025
  2. 7744
  3. 484
  4. 7744
  5. 8464
  6. 5929
  7. 3969
  8. 1936
  9. 9025
  10. 3721
  11. 7921
  12. 1225
  13. 441
  14. 1764
  15. 3721
  16. 676
  17. 3364
  18. 2601
  19. 576
  20. 9025
  21. 1681
  22. 3844
  23. 4356
  24. 5184
  25. 7744
  26. 144
  27. 729
  28. 2916
  29. 4096
  30. 1681
  31. 625
  32. 3721
  33. 7921
  34. 5041
  35. 6889
  36. 361
  37. 784
  38. 625
  39. 1849
  40. 6241

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