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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 94 · 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. 1.99² =
  2. 2.89² =
  3. 3.81² =
  4. 4.89² =
  5. 5.51² =
  6. 6.25² =
  7. 7.11² =
  8. 8.52² =
  9. 9.41² =
  10. 10.93² =
  11. 11.58² =
  12. 12.25² =
  13. 13.34² =
  14. 14.86² =
  15. 15.21² =
  16. 16.85² =
  17. 17.34² =
  18. 18.31² =
  19. 19.41² =
  20. 20.74² =
  21. 21.18² =
  22. 22.52² =
  23. 23.67² =
  24. 24.54² =
  25. 25.31² =
  26. 26.38² =
  27. 27.94² =
  28. 28.41² =
  29. 29.19² =
  30. 30.13² =
  31. 31.28² =
  32. 32.12² =
  33. 33.83² =
  34. 34.63² =
  35. 35.46² =
  36. 36.13² =
  37. 37.26² =
  38. 38.88² =
  39. 39.95² =
  40. 40.49² =

Answer key

  1. 9801
  2. 7921
  3. 6561
  4. 7921
  5. 2601
  6. 625
  7. 121
  8. 2704
  9. 1681
  10. 8649
  11. 3364
  12. 625
  13. 1156
  14. 7396
  15. 441
  16. 7225
  17. 1156
  18. 961
  19. 1681
  20. 5476
  21. 324
  22. 2704
  23. 4489
  24. 2916
  25. 961
  26. 1444
  27. 8836
  28. 1681
  29. 361
  30. 169
  31. 784
  32. 144
  33. 6889
  34. 3969
  35. 2116
  36. 169
  37. 676
  38. 7744
  39. 9025
  40. 2401

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