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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 506 · 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. 1.31² =
  2. 2.91² =
  3. 3.69² =
  4. 4.89² =
  5. 5.91² =
  6. 6.25² =
  7. 7.83² =
  8. 8.86² =
  9. 9.92² =
  10. 10.38² =
  11. 11.31² =
  12. 12.55² =
  13. 13.22² =
  14. 14.81² =
  15. 15.13² =
  16. 16.91² =
  17. 17.38² =
  18. 18.53² =
  19. 19.64² =
  20. 20.65² =
  21. 21.23² =
  22. 22.61² =
  23. 23.75² =
  24. 24.97² =
  25. 25.58² =
  26. 26.49² =
  27. 27.58² =
  28. 28.14² =
  29. 29.79² =
  30. 30.42² =
  31. 31.49² =
  32. 32.76² =
  33. 33.26² =
  34. 34.25² =
  35. 35.69² =
  36. 36.65² =
  37. 37.46² =
  38. 38.33² =
  39. 39.67² =
  40. 40.64² =

Answer key

  1. 961
  2. 8281
  3. 4761
  4. 7921
  5. 8281
  6. 625
  7. 6889
  8. 7396
  9. 8464
  10. 1444
  11. 961
  12. 3025
  13. 484
  14. 6561
  15. 169
  16. 8281
  17. 1444
  18. 2809
  19. 4096
  20. 4225
  21. 529
  22. 3721
  23. 5625
  24. 9409
  25. 3364
  26. 2401
  27. 3364
  28. 196
  29. 6241
  30. 1764
  31. 2401
  32. 5776
  33. 676
  34. 625
  35. 4761
  36. 4225
  37. 2116
  38. 1089
  39. 4489
  40. 4096

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