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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 172 · 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. 1.66² =
  2. 2.13² =
  3. 3.23² =
  4. 4.92² =
  5. 5.83² =
  6. 6.51² =
  7. 7.77² =
  8. 8.83² =
  9. 9.53² =
  10. 10.58² =
  11. 11.58² =
  12. 12.62² =
  13. 13.85² =
  14. 14.78² =
  15. 15.25² =
  16. 16.31² =
  17. 17.44² =
  18. 18.27² =
  19. 19.81² =
  20. 20.87² =
  21. 21.15² =
  22. 22.99² =
  23. 23.62² =
  24. 24.37² =
  25. 25.81² =
  26. 26.27² =
  27. 27.29² =
  28. 28.37² =
  29. 29.42² =
  30. 30.25² =
  31. 31.79² =
  32. 32.61² =
  33. 33.37² =
  34. 34.61² =
  35. 35.14² =
  36. 36.57² =
  37. 37.56² =
  38. 38.92² =
  39. 39.76² =
  40. 40.43² =

Answer key

  1. 4356
  2. 169
  3. 529
  4. 8464
  5. 6889
  6. 2601
  7. 5929
  8. 6889
  9. 2809
  10. 3364
  11. 3364
  12. 3844
  13. 7225
  14. 6084
  15. 625
  16. 961
  17. 1936
  18. 729
  19. 6561
  20. 7569
  21. 225
  22. 9801
  23. 3844
  24. 1369
  25. 6561
  26. 729
  27. 841
  28. 1369
  29. 1764
  30. 625
  31. 6241
  32. 3721
  33. 1369
  34. 3721
  35. 196
  36. 3249
  37. 3136
  38. 8464
  39. 5776
  40. 1849

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