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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 182 · 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. 1.44² =
  2. 2.66² =
  3. 3.25² =
  4. 4.27² =
  5. 5.51² =
  6. 6.68² =
  7. 7.12² =
  8. 8.81² =
  9. 9.33² =
  10. 10.77² =
  11. 11.36² =
  12. 12.38² =
  13. 13.81² =
  14. 14.61² =
  15. 15.54² =
  16. 16.53² =
  17. 17.27² =
  18. 18.85² =
  19. 19.21² =
  20. 20.97² =
  21. 21.31² =
  22. 22.11² =
  23. 23.66² =
  24. 24.75² =
  25. 25.76² =
  26. 26.13² =
  27. 27.51² =
  28. 28.43² =
  29. 29.41² =
  30. 30.63² =
  31. 31.22² =
  32. 32.21² =
  33. 33.94² =
  34. 34.23² =
  35. 35.71² =
  36. 36.99² =
  37. 37.85² =
  38. 38.81² =
  39. 39.84² =
  40. 40.53² =

Answer key

  1. 1936
  2. 4356
  3. 625
  4. 729
  5. 2601
  6. 4624
  7. 144
  8. 6561
  9. 1089
  10. 5929
  11. 1296
  12. 1444
  13. 6561
  14. 3721
  15. 2916
  16. 2809
  17. 729
  18. 7225
  19. 441
  20. 9409
  21. 961
  22. 121
  23. 4356
  24. 5625
  25. 5776
  26. 169
  27. 2601
  28. 1849
  29. 1681
  30. 3969
  31. 484
  32. 441
  33. 8836
  34. 529
  35. 5041
  36. 9801
  37. 7225
  38. 6561
  39. 7056
  40. 2809

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