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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 469 · 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. 2.61² =
  3. 3.25² =
  4. 4.47² =
  5. 5.31² =
  6. 6.41² =
  7. 7.47² =
  8. 8.76² =
  9. 9.24² =
  10. 10.89² =
  11. 11.91² =
  12. 12.23² =
  13. 13.38² =
  14. 14.57² =
  15. 15.22² =
  16. 16.55² =
  17. 17.69² =
  18. 18.16² =
  19. 19.16² =
  20. 20.81² =
  21. 21.29² =
  22. 22.49² =
  23. 23.89² =
  24. 24.98² =
  25. 25.55² =
  26. 26.84² =
  27. 27.73² =
  28. 28.81² =
  29. 29.81² =
  30. 30.94² =
  31. 31.88² =
  32. 32.49² =
  33. 33.28² =
  34. 34.15² =
  35. 35.91² =
  36. 36.72² =
  37. 37.93² =
  38. 38.91² =
  39. 39.42² =
  40. 40.39² =

Answer key

  1. 2601
  2. 3721
  3. 625
  4. 2209
  5. 961
  6. 1681
  7. 2209
  8. 5776
  9. 576
  10. 7921
  11. 8281
  12. 529
  13. 1444
  14. 3249
  15. 484
  16. 3025
  17. 4761
  18. 256
  19. 256
  20. 6561
  21. 841
  22. 2401
  23. 7921
  24. 9604
  25. 3025
  26. 7056
  27. 5329
  28. 6561
  29. 6561
  30. 8836
  31. 7744
  32. 2401
  33. 784
  34. 225
  35. 8281
  36. 5184
  37. 8649
  38. 8281
  39. 1764
  40. 1521

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