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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 766 · 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. 2.26² =
  3. 3.64² =
  4. 4.15² =
  5. 5.81² =
  6. 6.84² =
  7. 7.81² =
  8. 8.87² =
  9. 9.86² =
  10. 10.98² =
  11. 11.33² =
  12. 12.74² =
  13. 13.73² =
  14. 14.88² =
  15. 15.85² =
  16. 16.56² =
  17. 17.37² =
  18. 18.55² =
  19. 19.19² =
  20. 20.17² =
  21. 21.16² =
  22. 22.89² =
  23. 23.74² =
  24. 24.82² =
  25. 25.71² =
  26. 26.81² =
  27. 27.87² =
  28. 28.71² =
  29. 29.21² =
  30. 30.32² =
  31. 31.59² =
  32. 32.85² =
  33. 33.71² =
  34. 34.31² =
  35. 35.77² =
  36. 36.31² =
  37. 37.56² =
  38. 38.19² =
  39. 39.93² =
  40. 40.18² =

Answer key

  1. 961
  2. 676
  3. 4096
  4. 225
  5. 6561
  6. 7056
  7. 6561
  8. 7569
  9. 7396
  10. 9604
  11. 1089
  12. 5476
  13. 5329
  14. 7744
  15. 7225
  16. 3136
  17. 1369
  18. 3025
  19. 361
  20. 289
  21. 256
  22. 7921
  23. 5476
  24. 6724
  25. 5041
  26. 6561
  27. 7569
  28. 5041
  29. 441
  30. 1024
  31. 3481
  32. 7225
  33. 5041
  34. 961
  35. 5929
  36. 961
  37. 3136
  38. 361
  39. 8649
  40. 324

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