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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 366 · 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. 1.32² =
  2. 2.18² =
  3. 3.93² =
  4. 4.52² =
  5. 5.45² =
  6. 6.11² =
  7. 7.31² =
  8. 8.43² =
  9. 9.45² =
  10. 10.38² =
  11. 11.58² =
  12. 12.31² =
  13. 13.58² =
  14. 14.25² =
  15. 15.97² =
  16. 16.61² =
  17. 17.46² =
  18. 18.22² =
  19. 19.69² =
  20. 20.72² =
  21. 21.67² =
  22. 22.51² =
  23. 23.35² =
  24. 24.26² =
  25. 25.92² =
  26. 26.54² =
  27. 27.84² =
  28. 28.58² =
  29. 29.27² =
  30. 30.94² =
  31. 31.42² =
  32. 32.83² =
  33. 33.88² =
  34. 34.41² =
  35. 35.95² =
  36. 36.76² =
  37. 37.45² =
  38. 38.64² =
  39. 39.16² =
  40. 40.97² =

Answer key

  1. 1024
  2. 324
  3. 8649
  4. 2704
  5. 2025
  6. 121
  7. 961
  8. 1849
  9. 2025
  10. 1444
  11. 3364
  12. 961
  13. 3364
  14. 625
  15. 9409
  16. 3721
  17. 2116
  18. 484
  19. 4761
  20. 5184
  21. 4489
  22. 2601
  23. 1225
  24. 676
  25. 8464
  26. 2916
  27. 7056
  28. 3364
  29. 729
  30. 8836
  31. 1764
  32. 6889
  33. 7744
  34. 1681
  35. 9025
  36. 5776
  37. 2025
  38. 4096
  39. 256
  40. 9409

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