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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 757 · 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. 1.35² =
  2. 2.85² =
  3. 3.78² =
  4. 4.38² =
  5. 5.68² =
  6. 6.41² =
  7. 7.28² =
  8. 8.34² =
  9. 9.64² =
  10. 10.69² =
  11. 11.31² =
  12. 12.31² =
  13. 13.83² =
  14. 14.68² =
  15. 15.66² =
  16. 16.64² =
  17. 17.21² =
  18. 18.12² =
  19. 19.33² =
  20. 20.94² =
  21. 21.57² =
  22. 22.31² =
  23. 23.44² =
  24. 24.12² =
  25. 25.65² =
  26. 26.17² =
  27. 27.46² =
  28. 28.67² =
  29. 29.42² =
  30. 30.55² =
  31. 31.71² =
  32. 32.19² =
  33. 33.53² =
  34. 34.41² =
  35. 35.18² =
  36. 36.71² =
  37. 37.46² =
  38. 38.85² =
  39. 39.89² =
  40. 40.39² =

Answer key

  1. 1225
  2. 7225
  3. 6084
  4. 1444
  5. 4624
  6. 1681
  7. 784
  8. 1156
  9. 4096
  10. 4761
  11. 961
  12. 961
  13. 6889
  14. 4624
  15. 4356
  16. 4096
  17. 441
  18. 144
  19. 1089
  20. 8836
  21. 3249
  22. 961
  23. 1936
  24. 144
  25. 4225
  26. 289
  27. 2116
  28. 4489
  29. 1764
  30. 3025
  31. 5041
  32. 361
  33. 2809
  34. 1681
  35. 324
  36. 5041
  37. 2116
  38. 7225
  39. 7921
  40. 1521

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