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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 912 · 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. 1.77² =
  2. 2.21² =
  3. 3.55² =
  4. 4.93² =
  5. 5.34² =
  6. 6.31² =
  7. 7.12² =
  8. 8.22² =
  9. 9.28² =
  10. 10.69² =
  11. 11.76² =
  12. 12.35² =
  13. 13.47² =
  14. 14.21² =
  15. 15.88² =
  16. 16.73² =
  17. 17.15² =
  18. 18.95² =
  19. 19.48² =
  20. 20.24² =
  21. 21.34² =
  22. 22.49² =
  23. 23.79² =
  24. 24.27² =
  25. 25.85² =
  26. 26.31² =
  27. 27.89² =
  28. 28.65² =
  29. 29.81² =
  30. 30.41² =
  31. 31.37² =
  32. 32.27² =
  33. 33.86² =
  34. 34.49² =
  35. 35.69² =
  36. 36.24² =
  37. 37.91² =
  38. 38.46² =
  39. 39.33² =
  40. 40.19² =

Answer key

  1. 5929
  2. 441
  3. 3025
  4. 8649
  5. 1156
  6. 961
  7. 144
  8. 484
  9. 784
  10. 4761
  11. 5776
  12. 1225
  13. 2209
  14. 441
  15. 7744
  16. 5329
  17. 225
  18. 9025
  19. 2304
  20. 576
  21. 1156
  22. 2401
  23. 6241
  24. 729
  25. 7225
  26. 961
  27. 7921
  28. 4225
  29. 6561
  30. 1681
  31. 1369
  32. 729
  33. 7396
  34. 2401
  35. 4761
  36. 576
  37. 8281
  38. 2116
  39. 1089
  40. 361

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