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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 285 · 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. 1.48² =
  2. 2.27² =
  3. 3.69² =
  4. 4.34² =
  5. 5.28² =
  6. 6.73² =
  7. 7.32² =
  8. 8.69² =
  9. 9.98² =
  10. 10.93² =
  11. 11.84² =
  12. 12.11² =
  13. 13.61² =
  14. 14.25² =
  15. 15.31² =
  16. 16.65² =
  17. 17.62² =
  18. 18.18² =
  19. 19.36² =
  20. 20.56² =
  21. 21.58² =
  22. 22.16² =
  23. 23.22² =
  24. 24.82² =
  25. 25.73² =
  26. 26.87² =
  27. 27.55² =
  28. 28.53² =
  29. 29.95² =
  30. 30.52² =
  31. 31.35² =
  32. 32.14² =
  33. 33.88² =
  34. 34.96² =
  35. 35.28² =
  36. 36.73² =
  37. 37.31² =
  38. 38.21² =
  39. 39.54² =
  40. 40.16² =

Answer key

  1. 2304
  2. 729
  3. 4761
  4. 1156
  5. 784
  6. 5329
  7. 1024
  8. 4761
  9. 9604
  10. 8649
  11. 7056
  12. 121
  13. 3721
  14. 625
  15. 961
  16. 4225
  17. 3844
  18. 324
  19. 1296
  20. 3136
  21. 3364
  22. 256
  23. 484
  24. 6724
  25. 5329
  26. 7569
  27. 3025
  28. 2809
  29. 9025
  30. 2704
  31. 1225
  32. 196
  33. 7744
  34. 9216
  35. 784
  36. 5329
  37. 961
  38. 441
  39. 2916
  40. 256

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