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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 43 · 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. 1.33² =
  2. 2.31² =
  3. 3.51² =
  4. 4.23² =
  5. 5.56² =
  6. 6.82² =
  7. 7.94² =
  8. 8.55² =
  9. 9.42² =
  10. 10.18² =
  11. 11.58² =
  12. 12.91² =
  13. 13.45² =
  14. 14.81² =
  15. 15.24² =
  16. 16.85² =
  17. 17.86² =
  18. 18.37² =
  19. 19.97² =
  20. 20.29² =
  21. 21.53² =
  22. 22.57² =
  23. 23.16² =
  24. 24.16² =
  25. 25.56² =
  26. 26.53² =
  27. 27.22² =
  28. 28.15² =
  29. 29.12² =
  30. 30.71² =
  31. 31.23² =
  32. 32.26² =
  33. 33.89² =
  34. 34.76² =
  35. 35.72² =
  36. 36.73² =
  37. 37.94² =
  38. 38.85² =
  39. 39.75² =
  40. 40.18² =

Answer key

  1. 1089
  2. 961
  3. 2601
  4. 529
  5. 3136
  6. 6724
  7. 8836
  8. 3025
  9. 1764
  10. 324
  11. 3364
  12. 8281
  13. 2025
  14. 6561
  15. 576
  16. 7225
  17. 7396
  18. 1369
  19. 9409
  20. 841
  21. 2809
  22. 3249
  23. 256
  24. 256
  25. 3136
  26. 2809
  27. 484
  28. 225
  29. 144
  30. 5041
  31. 529
  32. 676
  33. 7921
  34. 5776
  35. 5184
  36. 5329
  37. 8836
  38. 7225
  39. 5625
  40. 324

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