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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 822 · 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. 1.49² =
  2. 2.86² =
  3. 3.77² =
  4. 4.42² =
  5. 5.63² =
  6. 6.93² =
  7. 7.21² =
  8. 8.73² =
  9. 9.48² =
  10. 10.34² =
  11. 11.85² =
  12. 12.84² =
  13. 13.99² =
  14. 14.55² =
  15. 15.51² =
  16. 16.16² =
  17. 17.79² =
  18. 18.91² =
  19. 19.76² =
  20. 20.22² =
  21. 21.33² =
  22. 22.54² =
  23. 23.51² =
  24. 24.98² =
  25. 25.69² =
  26. 26.51² =
  27. 27.35² =
  28. 28.49² =
  29. 29.42² =
  30. 30.23² =
  31. 31.19² =
  32. 32.73² =
  33. 33.75² =
  34. 34.92² =
  35. 35.22² =
  36. 36.55² =
  37. 37.96² =
  38. 38.28² =
  39. 39.16² =
  40. 40.56² =

Answer key

  1. 2401
  2. 7396
  3. 5929
  4. 1764
  5. 3969
  6. 8649
  7. 441
  8. 5329
  9. 2304
  10. 1156
  11. 7225
  12. 7056
  13. 9801
  14. 3025
  15. 2601
  16. 256
  17. 6241
  18. 8281
  19. 5776
  20. 484
  21. 1089
  22. 2916
  23. 2601
  24. 9604
  25. 4761
  26. 2601
  27. 1225
  28. 2401
  29. 1764
  30. 529
  31. 361
  32. 5329
  33. 5625
  34. 8464
  35. 484
  36. 3025
  37. 9216
  38. 784
  39. 256
  40. 3136

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