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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 168 · 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. 1.67² =
  2. 2.71² =
  3. 3.63² =
  4. 4.77² =
  5. 5.25² =
  6. 6.68² =
  7. 7.48² =
  8. 8.85² =
  9. 9.23² =
  10. 10.97² =
  11. 11.41² =
  12. 12.42² =
  13. 13.65² =
  14. 14.44² =
  15. 15.34² =
  16. 16.13² =
  17. 17.26² =
  18. 18.71² =
  19. 19.34² =
  20. 20.69² =
  21. 21.25² =
  22. 22.27² =
  23. 23.44² =
  24. 24.77² =
  25. 25.81² =
  26. 26.69² =
  27. 27.26² =
  28. 28.76² =
  29. 29.31² =
  30. 30.16² =
  31. 31.22² =
  32. 32.39² =
  33. 33.92² =
  34. 34.58² =
  35. 35.58² =
  36. 36.54² =
  37. 37.35² =
  38. 38.38² =
  39. 39.24² =
  40. 40.68² =

Answer key

  1. 4489
  2. 5041
  3. 3969
  4. 5929
  5. 625
  6. 4624
  7. 2304
  8. 7225
  9. 529
  10. 9409
  11. 1681
  12. 1764
  13. 4225
  14. 1936
  15. 1156
  16. 169
  17. 676
  18. 5041
  19. 1156
  20. 4761
  21. 625
  22. 729
  23. 1936
  24. 5929
  25. 6561
  26. 4761
  27. 676
  28. 5776
  29. 961
  30. 256
  31. 484
  32. 1521
  33. 8464
  34. 3364
  35. 3364
  36. 2916
  37. 1225
  38. 1444
  39. 576
  40. 4624

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