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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 425 · 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. 1.85² =
  2. 2.52² =
  3. 3.69² =
  4. 4.65² =
  5. 5.86² =
  6. 6.27² =
  7. 7.39² =
  8. 8.65² =
  9. 9.27² =
  10. 10.47² =
  11. 11.71² =
  12. 12.65² =
  13. 13.67² =
  14. 14.88² =
  15. 15.51² =
  16. 16.44² =
  17. 17.85² =
  18. 18.83² =
  19. 19.47² =
  20. 20.87² =
  21. 21.94² =
  22. 22.62² =
  23. 23.49² =
  24. 24.22² =
  25. 25.31² =
  26. 26.66² =
  27. 27.42² =
  28. 28.61² =
  29. 29.26² =
  30. 30.24² =
  31. 31.93² =
  32. 32.86² =
  33. 33.18² =
  34. 34.97² =
  35. 35.22² =
  36. 36.69² =
  37. 37.63² =
  38. 38.28² =
  39. 39.71² =
  40. 40.31² =

Answer key

  1. 7225
  2. 2704
  3. 4761
  4. 4225
  5. 7396
  6. 729
  7. 1521
  8. 4225
  9. 729
  10. 2209
  11. 5041
  12. 4225
  13. 4489
  14. 7744
  15. 2601
  16. 1936
  17. 7225
  18. 6889
  19. 2209
  20. 7569
  21. 8836
  22. 3844
  23. 2401
  24. 484
  25. 961
  26. 4356
  27. 1764
  28. 3721
  29. 676
  30. 576
  31. 8649
  32. 7396
  33. 324
  34. 9409
  35. 484
  36. 4761
  37. 3969
  38. 784
  39. 5041
  40. 961

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