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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 654 · 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. 1.51² =
  2. 2.34² =
  3. 3.36² =
  4. 4.51² =
  5. 5.96² =
  6. 6.21² =
  7. 7.28² =
  8. 8.12² =
  9. 9.68² =
  10. 10.37² =
  11. 11.54² =
  12. 12.58² =
  13. 13.48² =
  14. 14.16² =
  15. 15.25² =
  16. 16.32² =
  17. 17.77² =
  18. 18.42² =
  19. 19.86² =
  20. 20.45² =
  21. 21.33² =
  22. 22.82² =
  23. 23.96² =
  24. 24.18² =
  25. 25.54² =
  26. 26.27² =
  27. 27.51² =
  28. 28.16² =
  29. 29.33² =
  30. 30.85² =
  31. 31.37² =
  32. 32.16² =
  33. 33.34² =
  34. 34.94² =
  35. 35.28² =
  36. 36.72² =
  37. 37.72² =
  38. 38.91² =
  39. 39.31² =
  40. 40.88² =

Answer key

  1. 2601
  2. 1156
  3. 1296
  4. 2601
  5. 9216
  6. 441
  7. 784
  8. 144
  9. 4624
  10. 1369
  11. 2916
  12. 3364
  13. 2304
  14. 256
  15. 625
  16. 1024
  17. 5929
  18. 1764
  19. 7396
  20. 2025
  21. 1089
  22. 6724
  23. 9216
  24. 324
  25. 2916
  26. 729
  27. 2601
  28. 256
  29. 1089
  30. 7225
  31. 1369
  32. 256
  33. 1156
  34. 8836
  35. 784
  36. 5184
  37. 5184
  38. 8281
  39. 961
  40. 7744

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