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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 234 · 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. 1.13² =
  2. 2.31² =
  3. 3.16² =
  4. 4.18² =
  5. 5.39² =
  6. 6.88² =
  7. 7.72² =
  8. 8.94² =
  9. 9.51² =
  10. 10.62² =
  11. 11.56² =
  12. 12.66² =
  13. 13.17² =
  14. 14.77² =
  15. 15.61² =
  16. 16.15² =
  17. 17.36² =
  18. 18.61² =
  19. 19.65² =
  20. 20.79² =
  21. 21.41² =
  22. 22.76² =
  23. 23.69² =
  24. 24.59² =
  25. 25.85² =
  26. 26.72² =
  27. 27.92² =
  28. 28.42² =
  29. 29.12² =
  30. 30.52² =
  31. 31.62² =
  32. 32.71² =
  33. 33.51² =
  34. 34.34² =
  35. 35.74² =
  36. 36.53² =
  37. 37.12² =
  38. 38.94² =
  39. 39.25² =
  40. 40.35² =

Answer key

  1. 169
  2. 961
  3. 256
  4. 324
  5. 1521
  6. 7744
  7. 5184
  8. 8836
  9. 2601
  10. 3844
  11. 3136
  12. 4356
  13. 289
  14. 5929
  15. 3721
  16. 225
  17. 1296
  18. 3721
  19. 4225
  20. 6241
  21. 1681
  22. 5776
  23. 4761
  24. 3481
  25. 7225
  26. 5184
  27. 8464
  28. 1764
  29. 144
  30. 2704
  31. 3844
  32. 5041
  33. 2601
  34. 1156
  35. 5476
  36. 2809
  37. 144
  38. 8836
  39. 625
  40. 1225

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