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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 433 · 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. 1.12² =
  2. 2.76² =
  3. 3.56² =
  4. 4.57² =
  5. 5.41² =
  6. 6.46² =
  7. 7.23² =
  8. 8.97² =
  9. 9.53² =
  10. 10.11² =
  11. 11.94² =
  12. 12.51² =
  13. 13.46² =
  14. 14.81² =
  15. 15.29² =
  16. 16.18² =
  17. 17.53² =
  18. 18.53² =
  19. 19.88² =
  20. 20.74² =
  21. 21.91² =
  22. 22.91² =
  23. 23.85² =
  24. 24.51² =
  25. 25.54² =
  26. 26.94² =
  27. 27.47² =
  28. 28.31² =
  29. 29.31² =
  30. 30.63² =
  31. 31.18² =
  32. 32.24² =
  33. 33.41² =
  34. 34.43² =
  35. 35.47² =
  36. 36.37² =
  37. 37.22² =
  38. 38.67² =
  39. 39.32² =
  40. 40.53² =

Answer key

  1. 144
  2. 5776
  3. 3136
  4. 3249
  5. 1681
  6. 2116
  7. 529
  8. 9409
  9. 2809
  10. 121
  11. 8836
  12. 2601
  13. 2116
  14. 6561
  15. 841
  16. 324
  17. 2809
  18. 2809
  19. 7744
  20. 5476
  21. 8281
  22. 8281
  23. 7225
  24. 2601
  25. 2916
  26. 8836
  27. 2209
  28. 961
  29. 961
  30. 3969
  31. 324
  32. 576
  33. 1681
  34. 1849
  35. 2209
  36. 1369
  37. 484
  38. 4489
  39. 1024
  40. 2809

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