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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 152 · 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. 2.47² =
  3. 3.76² =
  4. 4.49² =
  5. 5.46² =
  6. 6.75² =
  7. 7.97² =
  8. 8.81² =
  9. 9.88² =
  10. 10.38² =
  11. 11.71² =
  12. 12.75² =
  13. 13.99² =
  14. 14.11² =
  15. 15.99² =
  16. 16.54² =
  17. 17.63² =
  18. 18.28² =
  19. 19.15² =
  20. 20.19² =
  21. 21.55² =
  22. 22.11² =
  23. 23.66² =
  24. 24.98² =
  25. 25.42² =
  26. 26.23² =
  27. 27.85² =
  28. 28.87² =
  29. 29.12² =
  30. 30.34² =
  31. 31.28² =
  32. 32.87² =
  33. 33.91² =
  34. 34.25² =
  35. 35.65² =
  36. 36.98² =
  37. 37.17² =
  38. 38.78² =
  39. 39.17² =
  40. 40.92² =

Answer key

  1. 225
  2. 2209
  3. 5776
  4. 2401
  5. 2116
  6. 5625
  7. 9409
  8. 6561
  9. 7744
  10. 1444
  11. 5041
  12. 5625
  13. 9801
  14. 121
  15. 9801
  16. 2916
  17. 3969
  18. 784
  19. 225
  20. 361
  21. 3025
  22. 121
  23. 4356
  24. 9604
  25. 1764
  26. 529
  27. 7225
  28. 7569
  29. 144
  30. 1156
  31. 784
  32. 7569
  33. 8281
  34. 625
  35. 4225
  36. 9604
  37. 289
  38. 6084
  39. 289
  40. 8464

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