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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 28 · 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. 1.35² =
  2. 2.71² =
  3. 3.61² =
  4. 4.27² =
  5. 5.32² =
  6. 6.36² =
  7. 7.41² =
  8. 8.26² =
  9. 9.65² =
  10. 10.43² =
  11. 11.23² =
  12. 12.93² =
  13. 13.32² =
  14. 14.57² =
  15. 15.41² =
  16. 16.77² =
  17. 17.38² =
  18. 18.67² =
  19. 19.83² =
  20. 20.52² =
  21. 21.45² =
  22. 22.65² =
  23. 23.13² =
  24. 24.56² =
  25. 25.81² =
  26. 26.64² =
  27. 27.47² =
  28. 28.42² =
  29. 29.43² =
  30. 30.34² =
  31. 31.46² =
  32. 32.84² =
  33. 33.37² =
  34. 34.35² =
  35. 35.18² =
  36. 36.39² =
  37. 37.51² =
  38. 38.24² =
  39. 39.86² =
  40. 40.91² =

Answer key

  1. 1225
  2. 5041
  3. 3721
  4. 729
  5. 1024
  6. 1296
  7. 1681
  8. 676
  9. 4225
  10. 1849
  11. 529
  12. 8649
  13. 1024
  14. 3249
  15. 1681
  16. 5929
  17. 1444
  18. 4489
  19. 6889
  20. 2704
  21. 2025
  22. 4225
  23. 169
  24. 3136
  25. 6561
  26. 4096
  27. 2209
  28. 1764
  29. 1849
  30. 1156
  31. 2116
  32. 7056
  33. 1369
  34. 1225
  35. 324
  36. 1521
  37. 2601
  38. 576
  39. 7396
  40. 8281

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