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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 378 · 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. 1.94² =
  2. 2.17² =
  3. 3.74² =
  4. 4.31² =
  5. 5.57² =
  6. 6.71² =
  7. 7.14² =
  8. 8.25² =
  9. 9.87² =
  10. 10.63² =
  11. 11.51² =
  12. 12.77² =
  13. 13.51² =
  14. 14.11² =
  15. 15.86² =
  16. 16.96² =
  17. 17.65² =
  18. 18.76² =
  19. 19.54² =
  20. 20.71² =
  21. 21.75² =
  22. 22.11² =
  23. 23.92² =
  24. 24.34² =
  25. 25.15² =
  26. 26.57² =
  27. 27.93² =
  28. 28.75² =
  29. 29.46² =
  30. 30.16² =
  31. 31.89² =
  32. 32.14² =
  33. 33.39² =
  34. 34.79² =
  35. 35.28² =
  36. 36.41² =
  37. 37.72² =
  38. 38.47² =
  39. 39.24² =
  40. 40.34² =

Answer key

  1. 8836
  2. 289
  3. 5476
  4. 961
  5. 3249
  6. 5041
  7. 196
  8. 625
  9. 7569
  10. 3969
  11. 2601
  12. 5929
  13. 2601
  14. 121
  15. 7396
  16. 9216
  17. 4225
  18. 5776
  19. 2916
  20. 5041
  21. 5625
  22. 121
  23. 8464
  24. 1156
  25. 225
  26. 3249
  27. 8649
  28. 5625
  29. 2116
  30. 256
  31. 7921
  32. 196
  33. 1521
  34. 6241
  35. 784
  36. 1681
  37. 5184
  38. 2209
  39. 576
  40. 1156

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