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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 723 · 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. 1.16² =
  2. 2.83² =
  3. 3.56² =
  4. 4.15² =
  5. 5.26² =
  6. 6.85² =
  7. 7.74² =
  8. 8.45² =
  9. 9.71² =
  10. 10.53² =
  11. 11.95² =
  12. 12.91² =
  13. 13.41² =
  14. 14.28² =
  15. 15.99² =
  16. 16.36² =
  17. 17.87² =
  18. 18.75² =
  19. 19.51² =
  20. 20.31² =
  21. 21.35² =
  22. 22.45² =
  23. 23.41² =
  24. 24.69² =
  25. 25.88² =
  26. 26.45² =
  27. 27.94² =
  28. 28.23² =
  29. 29.31² =
  30. 30.61² =
  31. 31.93² =
  32. 32.83² =
  33. 33.61² =
  34. 34.91² =
  35. 35.53² =
  36. 36.14² =
  37. 37.37² =
  38. 38.51² =
  39. 39.61² =
  40. 40.36² =

Answer key

  1. 256
  2. 6889
  3. 3136
  4. 225
  5. 676
  6. 7225
  7. 5476
  8. 2025
  9. 5041
  10. 2809
  11. 9025
  12. 8281
  13. 1681
  14. 784
  15. 9801
  16. 1296
  17. 7569
  18. 5625
  19. 2601
  20. 961
  21. 1225
  22. 2025
  23. 1681
  24. 4761
  25. 7744
  26. 2025
  27. 8836
  28. 529
  29. 961
  30. 3721
  31. 8649
  32. 6889
  33. 3721
  34. 8281
  35. 2809
  36. 196
  37. 1369
  38. 2601
  39. 3721
  40. 1296

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