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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 90 · 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. 1.96² =
  2. 2.26² =
  3. 3.68² =
  4. 4.18² =
  5. 5.77² =
  6. 6.16² =
  7. 7.28² =
  8. 8.92² =
  9. 9.62² =
  10. 10.61² =
  11. 11.45² =
  12. 12.19² =
  13. 13.66² =
  14. 14.81² =
  15. 15.62² =
  16. 16.25² =
  17. 17.31² =
  18. 18.77² =
  19. 19.44² =
  20. 20.51² =
  21. 21.42² =
  22. 22.74² =
  23. 23.51² =
  24. 24.25² =
  25. 25.77² =
  26. 26.86² =
  27. 27.21² =
  28. 28.69² =
  29. 29.99² =
  30. 30.52² =
  31. 31.61² =
  32. 32.19² =
  33. 33.36² =
  34. 34.57² =
  35. 35.73² =
  36. 36.64² =
  37. 37.51² =
  38. 38.47² =
  39. 39.46² =
  40. 40.82² =

Answer key

  1. 9216
  2. 676
  3. 4624
  4. 324
  5. 5929
  6. 256
  7. 784
  8. 8464
  9. 3844
  10. 3721
  11. 2025
  12. 361
  13. 4356
  14. 6561
  15. 3844
  16. 625
  17. 961
  18. 5929
  19. 1936
  20. 2601
  21. 1764
  22. 5476
  23. 2601
  24. 625
  25. 5929
  26. 7396
  27. 441
  28. 4761
  29. 9801
  30. 2704
  31. 3721
  32. 361
  33. 1296
  34. 3249
  35. 5329
  36. 4096
  37. 2601
  38. 2209
  39. 2116
  40. 6724

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