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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 299 · 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. 1.56² =
  2. 2.17² =
  3. 3.15² =
  4. 4.77² =
  5. 5.84² =
  6. 6.39² =
  7. 7.33² =
  8. 8.11² =
  9. 9.21² =
  10. 10.25² =
  11. 11.21² =
  12. 12.75² =
  13. 13.18² =
  14. 14.89² =
  15. 15.41² =
  16. 16.47² =
  17. 17.21² =
  18. 18.74² =
  19. 19.23² =
  20. 20.26² =
  21. 21.54² =
  22. 22.18² =
  23. 23.64² =
  24. 24.72² =
  25. 25.54² =
  26. 26.12² =
  27. 27.95² =
  28. 28.28² =
  29. 29.74² =
  30. 30.22² =
  31. 31.84² =
  32. 32.96² =
  33. 33.87² =
  34. 34.81² =
  35. 35.45² =
  36. 36.63² =
  37. 37.64² =
  38. 38.77² =
  39. 39.72² =
  40. 40.26² =

Answer key

  1. 3136
  2. 289
  3. 225
  4. 5929
  5. 7056
  6. 1521
  7. 1089
  8. 121
  9. 441
  10. 625
  11. 441
  12. 5625
  13. 324
  14. 7921
  15. 1681
  16. 2209
  17. 441
  18. 5476
  19. 529
  20. 676
  21. 2916
  22. 324
  23. 4096
  24. 5184
  25. 2916
  26. 144
  27. 9025
  28. 784
  29. 5476
  30. 484
  31. 7056
  32. 9216
  33. 7569
  34. 6561
  35. 2025
  36. 3969
  37. 4096
  38. 5929
  39. 5184
  40. 676

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