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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 764 · 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. 1.31² =
  2. 2.28² =
  3. 3.58² =
  4. 4.99² =
  5. 5.71² =
  6. 6.41² =
  7. 7.16² =
  8. 8.23² =
  9. 9.52² =
  10. 10.22² =
  11. 11.19² =
  12. 12.66² =
  13. 13.65² =
  14. 14.61² =
  15. 15.83² =
  16. 16.34² =
  17. 17.45² =
  18. 18.41² =
  19. 19.34² =
  20. 20.13² =
  21. 21.16² =
  22. 22.23² =
  23. 23.73² =
  24. 24.78² =
  25. 25.18² =
  26. 26.81² =
  27. 27.15² =
  28. 28.34² =
  29. 29.93² =
  30. 30.57² =
  31. 31.98² =
  32. 32.66² =
  33. 33.28² =
  34. 34.28² =
  35. 35.44² =
  36. 36.44² =
  37. 37.56² =
  38. 38.15² =
  39. 39.96² =
  40. 40.77² =

Answer key

  1. 961
  2. 784
  3. 3364
  4. 9801
  5. 5041
  6. 1681
  7. 256
  8. 529
  9. 2704
  10. 484
  11. 361
  12. 4356
  13. 4225
  14. 3721
  15. 6889
  16. 1156
  17. 2025
  18. 1681
  19. 1156
  20. 169
  21. 256
  22. 529
  23. 5329
  24. 6084
  25. 324
  26. 6561
  27. 225
  28. 1156
  29. 8649
  30. 3249
  31. 9604
  32. 4356
  33. 784
  34. 784
  35. 1936
  36. 1936
  37. 3136
  38. 225
  39. 9216
  40. 5929

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