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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 457 · 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. 1.51² =
  2. 2.27² =
  3. 3.51² =
  4. 4.59² =
  5. 5.84² =
  6. 6.31² =
  7. 7.31² =
  8. 8.15² =
  9. 9.76² =
  10. 10.41² =
  11. 11.51² =
  12. 12.67² =
  13. 13.68² =
  14. 14.21² =
  15. 15.83² =
  16. 16.69² =
  17. 17.19² =
  18. 18.46² =
  19. 19.87² =
  20. 20.49² =
  21. 21.14² =
  22. 22.86² =
  23. 23.49² =
  24. 24.51² =
  25. 25.23² =
  26. 26.84² =
  27. 27.62² =
  28. 28.37² =
  29. 29.64² =
  30. 30.46² =
  31. 31.34² =
  32. 32.11² =
  33. 33.72² =
  34. 34.31² =
  35. 35.28² =
  36. 36.59² =
  37. 37.32² =
  38. 38.88² =
  39. 39.35² =
  40. 40.94² =

Answer key

  1. 2601
  2. 729
  3. 2601
  4. 3481
  5. 7056
  6. 961
  7. 961
  8. 225
  9. 5776
  10. 1681
  11. 2601
  12. 4489
  13. 4624
  14. 441
  15. 6889
  16. 4761
  17. 361
  18. 2116
  19. 7569
  20. 2401
  21. 196
  22. 7396
  23. 2401
  24. 2601
  25. 529
  26. 7056
  27. 3844
  28. 1369
  29. 4096
  30. 2116
  31. 1156
  32. 121
  33. 5184
  34. 961
  35. 784
  36. 3481
  37. 1024
  38. 7744
  39. 1225
  40. 8836

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