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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 878 · 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. 1.21² =
  2. 2.36² =
  3. 3.25² =
  4. 4.95² =
  5. 5.18² =
  6. 6.51² =
  7. 7.16² =
  8. 8.86² =
  9. 9.91² =
  10. 10.96² =
  11. 11.92² =
  12. 12.36² =
  13. 13.61² =
  14. 14.16² =
  15. 15.97² =
  16. 16.41² =
  17. 17.35² =
  18. 18.15² =
  19. 19.62² =
  20. 20.53² =
  21. 21.54² =
  22. 22.15² =
  23. 23.41² =
  24. 24.81² =
  25. 25.91² =
  26. 26.75² =
  27. 27.21² =
  28. 28.43² =
  29. 29.21² =
  30. 30.41² =
  31. 31.22² =
  32. 32.71² =
  33. 33.27² =
  34. 34.82² =
  35. 35.17² =
  36. 36.91² =
  37. 37.42² =
  38. 38.95² =
  39. 39.23² =
  40. 40.12² =

Answer key

  1. 441
  2. 1296
  3. 625
  4. 9025
  5. 324
  6. 2601
  7. 256
  8. 7396
  9. 8281
  10. 9216
  11. 8464
  12. 1296
  13. 3721
  14. 256
  15. 9409
  16. 1681
  17. 1225
  18. 225
  19. 3844
  20. 2809
  21. 2916
  22. 225
  23. 1681
  24. 6561
  25. 8281
  26. 5625
  27. 441
  28. 1849
  29. 441
  30. 1681
  31. 484
  32. 5041
  33. 729
  34. 6724
  35. 289
  36. 8281
  37. 1764
  38. 9025
  39. 529
  40. 144

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