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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 821 · 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. 2.74² =
  3. 3.42² =
  4. 4.74² =
  5. 5.91² =
  6. 6.32² =
  7. 7.44² =
  8. 8.97² =
  9. 9.45² =
  10. 10.61² =
  11. 11.49² =
  12. 12.68² =
  13. 13.14² =
  14. 14.74² =
  15. 15.12² =
  16. 16.36² =
  17. 17.15² =
  18. 18.93² =
  19. 19.46² =
  20. 20.31² =
  21. 21.17² =
  22. 22.95² =
  23. 23.73² =
  24. 24.92² =
  25. 25.45² =
  26. 26.27² =
  27. 27.68² =
  28. 28.88² =
  29. 29.87² =
  30. 30.32² =
  31. 31.43² =
  32. 32.79² =
  33. 33.71² =
  34. 34.34² =
  35. 35.61² =
  36. 36.19² =
  37. 37.76² =
  38. 38.39² =
  39. 39.26² =
  40. 40.43² =

Answer key

  1. 2601
  2. 5476
  3. 1764
  4. 5476
  5. 8281
  6. 1024
  7. 1936
  8. 9409
  9. 2025
  10. 3721
  11. 2401
  12. 4624
  13. 196
  14. 5476
  15. 144
  16. 1296
  17. 225
  18. 8649
  19. 2116
  20. 961
  21. 289
  22. 9025
  23. 5329
  24. 8464
  25. 2025
  26. 729
  27. 4624
  28. 7744
  29. 7569
  30. 1024
  31. 1849
  32. 6241
  33. 5041
  34. 1156
  35. 3721
  36. 361
  37. 5776
  38. 1521
  39. 676
  40. 1849

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