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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 737 · 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. 1.84² =
  2. 2.83² =
  3. 3.72² =
  4. 4.35² =
  5. 5.19² =
  6. 6.85² =
  7. 7.45² =
  8. 8.15² =
  9. 9.81² =
  10. 10.52² =
  11. 11.51² =
  12. 12.76² =
  13. 13.85² =
  14. 14.11² =
  15. 15.59² =
  16. 16.77² =
  17. 17.47² =
  18. 18.72² =
  19. 19.36² =
  20. 20.65² =
  21. 21.87² =
  22. 22.64² =
  23. 23.29² =
  24. 24.34² =
  25. 25.66² =
  26. 26.31² =
  27. 27.25² =
  28. 28.73² =
  29. 29.29² =
  30. 30.15² =
  31. 31.29² =
  32. 32.99² =
  33. 33.51² =
  34. 34.83² =
  35. 35.39² =
  36. 36.37² =
  37. 37.34² =
  38. 38.38² =
  39. 39.38² =
  40. 40.41² =

Answer key

  1. 7056
  2. 6889
  3. 5184
  4. 1225
  5. 361
  6. 7225
  7. 2025
  8. 225
  9. 6561
  10. 2704
  11. 2601
  12. 5776
  13. 7225
  14. 121
  15. 3481
  16. 5929
  17. 2209
  18. 5184
  19. 1296
  20. 4225
  21. 7569
  22. 4096
  23. 841
  24. 1156
  25. 4356
  26. 961
  27. 625
  28. 5329
  29. 841
  30. 225
  31. 841
  32. 9801
  33. 2601
  34. 6889
  35. 1521
  36. 1369
  37. 1156
  38. 1444
  39. 1444
  40. 1681

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