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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 647 · 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. 1.53² =
  2. 2.88² =
  3. 3.24² =
  4. 4.29² =
  5. 5.64² =
  6. 6.81² =
  7. 7.27² =
  8. 8.69² =
  9. 9.49² =
  10. 10.99² =
  11. 11.17² =
  12. 12.48² =
  13. 13.51² =
  14. 14.36² =
  15. 15.92² =
  16. 16.42² =
  17. 17.51² =
  18. 18.76² =
  19. 19.26² =
  20. 20.94² =
  21. 21.19² =
  22. 22.62² =
  23. 23.63² =
  24. 24.53² =
  25. 25.76² =
  26. 26.31² =
  27. 27.39² =
  28. 28.35² =
  29. 29.62² =
  30. 30.75² =
  31. 31.88² =
  32. 32.42² =
  33. 33.37² =
  34. 34.91² =
  35. 35.91² =
  36. 36.24² =
  37. 37.51² =
  38. 38.26² =
  39. 39.89² =
  40. 40.34² =

Answer key

  1. 2809
  2. 7744
  3. 576
  4. 841
  5. 4096
  6. 6561
  7. 729
  8. 4761
  9. 2401
  10. 9801
  11. 289
  12. 2304
  13. 2601
  14. 1296
  15. 8464
  16. 1764
  17. 2601
  18. 5776
  19. 676
  20. 8836
  21. 361
  22. 3844
  23. 3969
  24. 2809
  25. 5776
  26. 961
  27. 1521
  28. 1225
  29. 3844
  30. 5625
  31. 7744
  32. 1764
  33. 1369
  34. 8281
  35. 8281
  36. 576
  37. 2601
  38. 676
  39. 7921
  40. 1156

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