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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 636 · 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. 1.93² =
  2. 2.23² =
  3. 3.24² =
  4. 4.58² =
  5. 5.34² =
  6. 6.77² =
  7. 7.61² =
  8. 8.55² =
  9. 9.11² =
  10. 10.28² =
  11. 11.14² =
  12. 12.17² =
  13. 13.86² =
  14. 14.65² =
  15. 15.35² =
  16. 16.19² =
  17. 17.75² =
  18. 18.85² =
  19. 19.96² =
  20. 20.97² =
  21. 21.55² =
  22. 22.37² =
  23. 23.44² =
  24. 24.73² =
  25. 25.53² =
  26. 26.48² =
  27. 27.92² =
  28. 28.23² =
  29. 29.44² =
  30. 30.25² =
  31. 31.36² =
  32. 32.38² =
  33. 33.48² =
  34. 34.92² =
  35. 35.12² =
  36. 36.77² =
  37. 37.15² =
  38. 38.25² =
  39. 39.64² =
  40. 40.59² =

Answer key

  1. 8649
  2. 529
  3. 576
  4. 3364
  5. 1156
  6. 5929
  7. 3721
  8. 3025
  9. 121
  10. 784
  11. 196
  12. 289
  13. 7396
  14. 4225
  15. 1225
  16. 361
  17. 5625
  18. 7225
  19. 9216
  20. 9409
  21. 3025
  22. 1369
  23. 1936
  24. 5329
  25. 2809
  26. 2304
  27. 8464
  28. 529
  29. 1936
  30. 625
  31. 1296
  32. 1444
  33. 2304
  34. 8464
  35. 144
  36. 5929
  37. 225
  38. 625
  39. 4096
  40. 3481

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