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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 688 · 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. 1.18² =
  2. 2.59² =
  3. 3.44² =
  4. 4.65² =
  5. 5.15² =
  6. 6.55² =
  7. 7.41² =
  8. 8.74² =
  9. 9.53² =
  10. 10.25² =
  11. 11.78² =
  12. 12.77² =
  13. 13.11² =
  14. 14.72² =
  15. 15.36² =
  16. 16.96² =
  17. 17.31² =
  18. 18.14² =
  19. 19.19² =
  20. 20.22² =
  21. 21.63² =
  22. 22.24² =
  23. 23.31² =
  24. 24.94² =
  25. 25.36² =
  26. 26.67² =
  27. 27.11² =
  28. 28.64² =
  29. 29.22² =
  30. 30.55² =
  31. 31.15² =
  32. 32.93² =
  33. 33.91² =
  34. 34.24² =
  35. 35.41² =
  36. 36.96² =
  37. 37.58² =
  38. 38.97² =
  39. 39.73² =
  40. 40.34² =

Answer key

  1. 324
  2. 3481
  3. 1936
  4. 4225
  5. 225
  6. 3025
  7. 1681
  8. 5476
  9. 2809
  10. 625
  11. 6084
  12. 5929
  13. 121
  14. 5184
  15. 1296
  16. 9216
  17. 961
  18. 196
  19. 361
  20. 484
  21. 3969
  22. 576
  23. 961
  24. 8836
  25. 1296
  26. 4489
  27. 121
  28. 4096
  29. 484
  30. 3025
  31. 225
  32. 8649
  33. 8281
  34. 576
  35. 1681
  36. 9216
  37. 3364
  38. 9409
  39. 5329
  40. 1156

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