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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 546 · 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. 1.47² =
  2. 2.71² =
  3. 3.31² =
  4. 4.47² =
  5. 5.73² =
  6. 6.48² =
  7. 7.31² =
  8. 8.74² =
  9. 9.86² =
  10. 10.79² =
  11. 11.59² =
  12. 12.57² =
  13. 13.77² =
  14. 14.18² =
  15. 15.33² =
  16. 16.11² =
  17. 17.55² =
  18. 18.29² =
  19. 19.77² =
  20. 20.57² =
  21. 21.36² =
  22. 22.55² =
  23. 23.65² =
  24. 24.28² =
  25. 25.94² =
  26. 26.76² =
  27. 27.83² =
  28. 28.81² =
  29. 29.67² =
  30. 30.31² =
  31. 31.92² =
  32. 32.47² =
  33. 33.21² =
  34. 34.36² =
  35. 35.29² =
  36. 36.33² =
  37. 37.41² =
  38. 38.68² =
  39. 39.25² =
  40. 40.91² =

Answer key

  1. 2209
  2. 5041
  3. 961
  4. 2209
  5. 5329
  6. 2304
  7. 961
  8. 5476
  9. 7396
  10. 6241
  11. 3481
  12. 3249
  13. 5929
  14. 324
  15. 1089
  16. 121
  17. 3025
  18. 841
  19. 5929
  20. 3249
  21. 1296
  22. 3025
  23. 4225
  24. 784
  25. 8836
  26. 5776
  27. 6889
  28. 6561
  29. 4489
  30. 961
  31. 8464
  32. 2209
  33. 441
  34. 1296
  35. 841
  36. 1089
  37. 1681
  38. 4624
  39. 625
  40. 8281

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