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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 666 · 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. 1.74² =
  2. 2.29² =
  3. 3.54² =
  4. 4.57² =
  5. 5.75² =
  6. 6.18² =
  7. 7.92² =
  8. 8.35² =
  9. 9.37² =
  10. 10.77² =
  11. 11.89² =
  12. 12.96² =
  13. 13.65² =
  14. 14.62² =
  15. 15.71² =
  16. 16.45² =
  17. 17.61² =
  18. 18.81² =
  19. 19.24² =
  20. 20.64² =
  21. 21.16² =
  22. 22.91² =
  23. 23.53² =
  24. 24.22² =
  25. 25.27² =
  26. 26.72² =
  27. 27.26² =
  28. 28.15² =
  29. 29.37² =
  30. 30.21² =
  31. 31.18² =
  32. 32.96² =
  33. 33.23² =
  34. 34.35² =
  35. 35.91² =
  36. 36.43² =
  37. 37.71² =
  38. 38.28² =
  39. 39.54² =
  40. 40.99² =

Answer key

  1. 5476
  2. 841
  3. 2916
  4. 3249
  5. 5625
  6. 324
  7. 8464
  8. 1225
  9. 1369
  10. 5929
  11. 7921
  12. 9216
  13. 4225
  14. 3844
  15. 5041
  16. 2025
  17. 3721
  18. 6561
  19. 576
  20. 4096
  21. 256
  22. 8281
  23. 2809
  24. 484
  25. 729
  26. 5184
  27. 676
  28. 225
  29. 1369
  30. 441
  31. 324
  32. 9216
  33. 529
  34. 1225
  35. 8281
  36. 1849
  37. 5041
  38. 784
  39. 2916
  40. 9801

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