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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 495 · 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. 1.66² =
  2. 2.31² =
  3. 3.81² =
  4. 4.29² =
  5. 5.21² =
  6. 6.27² =
  7. 7.11² =
  8. 8.48² =
  9. 9.94² =
  10. 10.83² =
  11. 11.76² =
  12. 12.28² =
  13. 13.66² =
  14. 14.56² =
  15. 15.31² =
  16. 16.41² =
  17. 17.25² =
  18. 18.91² =
  19. 19.45² =
  20. 20.15² =
  21. 21.54² =
  22. 22.95² =
  23. 23.94² =
  24. 24.61² =
  25. 25.61² =
  26. 26.45² =
  27. 27.19² =
  28. 28.73² =
  29. 29.47² =
  30. 30.21² =
  31. 31.91² =
  32. 32.45² =
  33. 33.42² =
  34. 34.57² =
  35. 35.78² =
  36. 36.32² =
  37. 37.51² =
  38. 38.87² =
  39. 39.65² =
  40. 40.71² =

Answer key

  1. 4356
  2. 961
  3. 6561
  4. 841
  5. 441
  6. 729
  7. 121
  8. 2304
  9. 8836
  10. 6889
  11. 5776
  12. 784
  13. 4356
  14. 3136
  15. 961
  16. 1681
  17. 625
  18. 8281
  19. 2025
  20. 225
  21. 2916
  22. 9025
  23. 8836
  24. 3721
  25. 3721
  26. 2025
  27. 361
  28. 5329
  29. 2209
  30. 441
  31. 8281
  32. 2025
  33. 1764
  34. 3249
  35. 6084
  36. 1024
  37. 2601
  38. 7569
  39. 4225
  40. 5041

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