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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 523 · 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. 1.31² =
  2. 2.87² =
  3. 3.75² =
  4. 4.61² =
  5. 5.96² =
  6. 6.99² =
  7. 7.61² =
  8. 8.88² =
  9. 9.72² =
  10. 10.19² =
  11. 11.24² =
  12. 12.75² =
  13. 13.93² =
  14. 14.95² =
  15. 15.84² =
  16. 16.75² =
  17. 17.19² =
  18. 18.31² =
  19. 19.73² =
  20. 20.16² =
  21. 21.99² =
  22. 22.26² =
  23. 23.33² =
  24. 24.21² =
  25. 25.89² =
  26. 26.72² =
  27. 27.77² =
  28. 28.81² =
  29. 29.32² =
  30. 30.24² =
  31. 31.97² =
  32. 32.27² =
  33. 33.31² =
  34. 34.19² =
  35. 35.69² =
  36. 36.98² =
  37. 37.23² =
  38. 38.56² =
  39. 39.97² =
  40. 40.21² =

Answer key

  1. 961
  2. 7569
  3. 5625
  4. 3721
  5. 9216
  6. 9801
  7. 3721
  8. 7744
  9. 5184
  10. 361
  11. 576
  12. 5625
  13. 8649
  14. 9025
  15. 7056
  16. 5625
  17. 361
  18. 961
  19. 5329
  20. 256
  21. 9801
  22. 676
  23. 1089
  24. 441
  25. 7921
  26. 5184
  27. 5929
  28. 6561
  29. 1024
  30. 576
  31. 9409
  32. 729
  33. 961
  34. 361
  35. 4761
  36. 9604
  37. 529
  38. 3136
  39. 9409
  40. 441

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