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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 84 · 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. 1.15² =
  2. 2.17² =
  3. 3.81² =
  4. 4.15² =
  5. 5.12² =
  6. 6.42² =
  7. 7.55² =
  8. 8.38² =
  9. 9.76² =
  10. 10.14² =
  11. 11.36² =
  12. 12.22² =
  13. 13.73² =
  14. 14.24² =
  15. 15.71² =
  16. 16.31² =
  17. 17.38² =
  18. 18.22² =
  19. 19.51² =
  20. 20.62² =
  21. 21.31² =
  22. 22.44² =
  23. 23.83² =
  24. 24.46² =
  25. 25.54² =
  26. 26.61² =
  27. 27.67² =
  28. 28.35² =
  29. 29.89² =
  30. 30.41² =
  31. 31.67² =
  32. 32.24² =
  33. 33.45² =
  34. 34.32² =
  35. 35.31² =
  36. 36.26² =
  37. 37.66² =
  38. 38.21² =
  39. 39.44² =
  40. 40.11² =

Answer key

  1. 225
  2. 289
  3. 6561
  4. 225
  5. 144
  6. 1764
  7. 3025
  8. 1444
  9. 5776
  10. 196
  11. 1296
  12. 484
  13. 5329
  14. 576
  15. 5041
  16. 961
  17. 1444
  18. 484
  19. 2601
  20. 3844
  21. 961
  22. 1936
  23. 6889
  24. 2116
  25. 2916
  26. 3721
  27. 4489
  28. 1225
  29. 7921
  30. 1681
  31. 4489
  32. 576
  33. 2025
  34. 1024
  35. 961
  36. 676
  37. 4356
  38. 441
  39. 1936
  40. 121

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