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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 505 · 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. 1.42² =
  2. 2.45² =
  3. 3.28² =
  4. 4.89² =
  5. 5.35² =
  6. 6.56² =
  7. 7.21² =
  8. 8.54² =
  9. 9.19² =
  10. 10.35² =
  11. 11.49² =
  12. 12.48² =
  13. 13.71² =
  14. 14.12² =
  15. 15.43² =
  16. 16.74² =
  17. 17.28² =
  18. 18.28² =
  19. 19.41² =
  20. 20.78² =
  21. 21.35² =
  22. 22.63² =
  23. 23.72² =
  24. 24.71² =
  25. 25.96² =
  26. 26.92² =
  27. 27.52² =
  28. 28.33² =
  29. 29.91² =
  30. 30.61² =
  31. 31.19² =
  32. 32.88² =
  33. 33.57² =
  34. 34.28² =
  35. 35.99² =
  36. 36.11² =
  37. 37.39² =
  38. 38.25² =
  39. 39.81² =
  40. 40.78² =

Answer key

  1. 1764
  2. 2025
  3. 784
  4. 7921
  5. 1225
  6. 3136
  7. 441
  8. 2916
  9. 361
  10. 1225
  11. 2401
  12. 2304
  13. 5041
  14. 144
  15. 1849
  16. 5476
  17. 784
  18. 784
  19. 1681
  20. 6084
  21. 1225
  22. 3969
  23. 5184
  24. 5041
  25. 9216
  26. 8464
  27. 2704
  28. 1089
  29. 8281
  30. 3721
  31. 361
  32. 7744
  33. 3249
  34. 784
  35. 9801
  36. 121
  37. 1521
  38. 625
  39. 6561
  40. 6084

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