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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 36 · 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. 1.61² =
  2. 2.85² =
  3. 3.26² =
  4. 4.99² =
  5. 5.52² =
  6. 6.84² =
  7. 7.39² =
  8. 8.61² =
  9. 9.11² =
  10. 10.53² =
  11. 11.61² =
  12. 12.23² =
  13. 13.49² =
  14. 14.91² =
  15. 15.88² =
  16. 16.76² =
  17. 17.55² =
  18. 18.66² =
  19. 19.99² =
  20. 20.42² =
  21. 21.93² =
  22. 22.51² =
  23. 23.39² =
  24. 24.66² =
  25. 25.55² =
  26. 26.92² =
  27. 27.24² =
  28. 28.63² =
  29. 29.41² =
  30. 30.81² =
  31. 31.33² =
  32. 32.44² =
  33. 33.32² =
  34. 34.44² =
  35. 35.87² =
  36. 36.18² =
  37. 37.46² =
  38. 38.53² =
  39. 39.62² =
  40. 40.72² =

Answer key

  1. 3721
  2. 7225
  3. 676
  4. 9801
  5. 2704
  6. 7056
  7. 1521
  8. 3721
  9. 121
  10. 2809
  11. 3721
  12. 529
  13. 2401
  14. 8281
  15. 7744
  16. 5776
  17. 3025
  18. 4356
  19. 9801
  20. 1764
  21. 8649
  22. 2601
  23. 1521
  24. 4356
  25. 3025
  26. 8464
  27. 576
  28. 3969
  29. 1681
  30. 6561
  31. 1089
  32. 1936
  33. 1024
  34. 1936
  35. 7569
  36. 324
  37. 2116
  38. 2809
  39. 3844
  40. 5184

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