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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 774 · 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. 2.86² =
  3. 3.57² =
  4. 4.28² =
  5. 5.25² =
  6. 6.98² =
  7. 7.23² =
  8. 8.63² =
  9. 9.33² =
  10. 10.12² =
  11. 11.65² =
  12. 12.77² =
  13. 13.44² =
  14. 14.53² =
  15. 15.58² =
  16. 16.14² =
  17. 17.63² =
  18. 18.83² =
  19. 19.28² =
  20. 20.99² =
  21. 21.59² =
  22. 22.13² =
  23. 23.71² =
  24. 24.39² =
  25. 25.83² =
  26. 26.16² =
  27. 27.39² =
  28. 28.85² =
  29. 29.59² =
  30. 30.11² =
  31. 31.91² =
  32. 32.45² =
  33. 33.96² =
  34. 34.26² =
  35. 35.86² =
  36. 36.29² =
  37. 37.15² =
  38. 38.77² =
  39. 39.47² =
  40. 40.69² =

Answer key

  1. 961
  2. 7396
  3. 3249
  4. 784
  5. 625
  6. 9604
  7. 529
  8. 3969
  9. 1089
  10. 144
  11. 4225
  12. 5929
  13. 1936
  14. 2809
  15. 3364
  16. 196
  17. 3969
  18. 6889
  19. 784
  20. 9801
  21. 3481
  22. 169
  23. 5041
  24. 1521
  25. 6889
  26. 256
  27. 1521
  28. 7225
  29. 3481
  30. 121
  31. 8281
  32. 2025
  33. 9216
  34. 676
  35. 7396
  36. 841
  37. 225
  38. 5929
  39. 2209
  40. 4761

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