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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 673 · 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. 1.47² =
  2. 2.94² =
  3. 3.28² =
  4. 4.27² =
  5. 5.45² =
  6. 6.43² =
  7. 7.81² =
  8. 8.55² =
  9. 9.49² =
  10. 10.55² =
  11. 11.46² =
  12. 12.11² =
  13. 13.23² =
  14. 14.16² =
  15. 15.31² =
  16. 16.97² =
  17. 17.81² =
  18. 18.36² =
  19. 19.34² =
  20. 20.28² =
  21. 21.36² =
  22. 22.62² =
  23. 23.12² =
  24. 24.63² =
  25. 25.57² =
  26. 26.88² =
  27. 27.66² =
  28. 28.81² =
  29. 29.58² =
  30. 30.71² =
  31. 31.67² =
  32. 32.15² =
  33. 33.92² =
  34. 34.17² =
  35. 35.92² =
  36. 36.28² =
  37. 37.94² =
  38. 38.47² =
  39. 39.68² =
  40. 40.18² =

Answer key

  1. 2209
  2. 8836
  3. 784
  4. 729
  5. 2025
  6. 1849
  7. 6561
  8. 3025
  9. 2401
  10. 3025
  11. 2116
  12. 121
  13. 529
  14. 256
  15. 961
  16. 9409
  17. 6561
  18. 1296
  19. 1156
  20. 784
  21. 1296
  22. 3844
  23. 144
  24. 3969
  25. 3249
  26. 7744
  27. 4356
  28. 6561
  29. 3364
  30. 5041
  31. 4489
  32. 225
  33. 8464
  34. 289
  35. 8464
  36. 784
  37. 8836
  38. 2209
  39. 4624
  40. 324

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