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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 472 · 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. 1.74² =
  2. 2.92² =
  3. 3.96² =
  4. 4.13² =
  5. 5.97² =
  6. 6.53² =
  7. 7.98² =
  8. 8.27² =
  9. 9.14² =
  10. 10.17² =
  11. 11.26² =
  12. 12.81² =
  13. 13.17² =
  14. 14.92² =
  15. 15.42² =
  16. 16.51² =
  17. 17.79² =
  18. 18.11² =
  19. 19.29² =
  20. 20.15² =
  21. 21.93² =
  22. 22.74² =
  23. 23.81² =
  24. 24.18² =
  25. 25.36² =
  26. 26.21² =
  27. 27.41² =
  28. 28.12² =
  29. 29.41² =
  30. 30.17² =
  31. 31.73² =
  32. 32.42² =
  33. 33.77² =
  34. 34.56² =
  35. 35.61² =
  36. 36.25² =
  37. 37.13² =
  38. 38.85² =
  39. 39.71² =
  40. 40.63² =

Answer key

  1. 5476
  2. 8464
  3. 9216
  4. 169
  5. 9409
  6. 2809
  7. 9604
  8. 729
  9. 196
  10. 289
  11. 676
  12. 6561
  13. 289
  14. 8464
  15. 1764
  16. 2601
  17. 6241
  18. 121
  19. 841
  20. 225
  21. 8649
  22. 5476
  23. 6561
  24. 324
  25. 1296
  26. 441
  27. 1681
  28. 144
  29. 1681
  30. 289
  31. 5329
  32. 1764
  33. 5929
  34. 3136
  35. 3721
  36. 625
  37. 169
  38. 7225
  39. 5041
  40. 3969

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