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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 426 · 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. 1.98² =
  2. 2.76² =
  3. 3.75² =
  4. 4.76² =
  5. 5.61² =
  6. 6.75² =
  7. 7.12² =
  8. 8.96² =
  9. 9.18² =
  10. 10.11² =
  11. 11.88² =
  12. 12.41² =
  13. 13.12² =
  14. 14.83² =
  15. 15.89² =
  16. 16.32² =
  17. 17.28² =
  18. 18.93² =
  19. 19.21² =
  20. 20.68² =
  21. 21.68² =
  22. 22.17² =
  23. 23.88² =
  24. 24.12² =
  25. 25.73² =
  26. 26.27² =
  27. 27.38² =
  28. 28.64² =
  29. 29.47² =
  30. 30.41² =
  31. 31.66² =
  32. 32.27² =
  33. 33.29² =
  34. 34.62² =
  35. 35.45² =
  36. 36.31² =
  37. 37.53² =
  38. 38.96² =
  39. 39.81² =
  40. 40.37² =

Answer key

  1. 9604
  2. 5776
  3. 5625
  4. 5776
  5. 3721
  6. 5625
  7. 144
  8. 9216
  9. 324
  10. 121
  11. 7744
  12. 1681
  13. 144
  14. 6889
  15. 7921
  16. 1024
  17. 784
  18. 8649
  19. 441
  20. 4624
  21. 4624
  22. 289
  23. 7744
  24. 144
  25. 5329
  26. 729
  27. 1444
  28. 4096
  29. 2209
  30. 1681
  31. 4356
  32. 729
  33. 841
  34. 3844
  35. 2025
  36. 961
  37. 2809
  38. 9216
  39. 6561
  40. 1369

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