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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 25 · 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. 1.59² =
  2. 2.23² =
  3. 3.91² =
  4. 4.46² =
  5. 5.43² =
  6. 6.73² =
  7. 7.36² =
  8. 8.64² =
  9. 9.27² =
  10. 10.31² =
  11. 11.68² =
  12. 12.91² =
  13. 13.27² =
  14. 14.59² =
  15. 15.84² =
  16. 16.28² =
  17. 17.12² =
  18. 18.93² =
  19. 19.45² =
  20. 20.48² =
  21. 21.55² =
  22. 22.89² =
  23. 23.82² =
  24. 24.45² =
  25. 25.35² =
  26. 26.72² =
  27. 27.36² =
  28. 28.81² =
  29. 29.96² =
  30. 30.81² =
  31. 31.49² =
  32. 32.21² =
  33. 33.51² =
  34. 34.21² =
  35. 35.82² =
  36. 36.76² =
  37. 37.81² =
  38. 38.49² =
  39. 39.51² =
  40. 40.91² =

Answer key

  1. 3481
  2. 529
  3. 8281
  4. 2116
  5. 1849
  6. 5329
  7. 1296
  8. 4096
  9. 729
  10. 961
  11. 4624
  12. 8281
  13. 729
  14. 3481
  15. 7056
  16. 784
  17. 144
  18. 8649
  19. 2025
  20. 2304
  21. 3025
  22. 7921
  23. 6724
  24. 2025
  25. 1225
  26. 5184
  27. 1296
  28. 6561
  29. 9216
  30. 6561
  31. 2401
  32. 441
  33. 2601
  34. 441
  35. 6724
  36. 5776
  37. 6561
  38. 2401
  39. 2601
  40. 8281

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