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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 219 · 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. 1.82² =
  2. 2.55² =
  3. 3.97² =
  4. 4.95² =
  5. 5.11² =
  6. 6.99² =
  7. 7.51² =
  8. 8.81² =
  9. 9.12² =
  10. 10.88² =
  11. 11.25² =
  12. 12.83² =
  13. 13.14² =
  14. 14.42² =
  15. 15.29² =
  16. 16.25² =
  17. 17.13² =
  18. 18.84² =
  19. 19.26² =
  20. 20.41² =
  21. 21.31² =
  22. 22.49² =
  23. 23.95² =
  24. 24.15² =
  25. 25.82² =
  26. 26.29² =
  27. 27.32² =
  28. 28.81² =
  29. 29.51² =
  30. 30.25² =
  31. 31.27² =
  32. 32.62² =
  33. 33.89² =
  34. 34.45² =
  35. 35.41² =
  36. 36.88² =
  37. 37.67² =
  38. 38.93² =
  39. 39.97² =
  40. 40.21² =

Answer key

  1. 6724
  2. 3025
  3. 9409
  4. 9025
  5. 121
  6. 9801
  7. 2601
  8. 6561
  9. 144
  10. 7744
  11. 625
  12. 6889
  13. 196
  14. 1764
  15. 841
  16. 625
  17. 169
  18. 7056
  19. 676
  20. 1681
  21. 961
  22. 2401
  23. 9025
  24. 225
  25. 6724
  26. 841
  27. 1024
  28. 6561
  29. 2601
  30. 625
  31. 729
  32. 3844
  33. 7921
  34. 2025
  35. 1681
  36. 7744
  37. 4489
  38. 8649
  39. 9409
  40. 441

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