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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 817 · 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. 1.97² =
  2. 2.43² =
  3. 3.51² =
  4. 4.51² =
  5. 5.26² =
  6. 6.77² =
  7. 7.18² =
  8. 8.95² =
  9. 9.54² =
  10. 10.29² =
  11. 11.21² =
  12. 12.82² =
  13. 13.31² =
  14. 14.53² =
  15. 15.78² =
  16. 16.84² =
  17. 17.89² =
  18. 18.12² =
  19. 19.64² =
  20. 20.21² =
  21. 21.58² =
  22. 22.74² =
  23. 23.97² =
  24. 24.86² =
  25. 25.51² =
  26. 26.45² =
  27. 27.23² =
  28. 28.27² =
  29. 29.32² =
  30. 30.25² =
  31. 31.81² =
  32. 32.81² =
  33. 33.15² =
  34. 34.22² =
  35. 35.26² =
  36. 36.54² =
  37. 37.22² =
  38. 38.91² =
  39. 39.55² =
  40. 40.19² =

Answer key

  1. 9409
  2. 1849
  3. 2601
  4. 2601
  5. 676
  6. 5929
  7. 324
  8. 9025
  9. 2916
  10. 841
  11. 441
  12. 6724
  13. 961
  14. 2809
  15. 6084
  16. 7056
  17. 7921
  18. 144
  19. 4096
  20. 441
  21. 3364
  22. 5476
  23. 9409
  24. 7396
  25. 2601
  26. 2025
  27. 529
  28. 729
  29. 1024
  30. 625
  31. 6561
  32. 6561
  33. 225
  34. 484
  35. 676
  36. 2916
  37. 484
  38. 8281
  39. 3025
  40. 361

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