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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 597 · 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. 1.81² =
  2. 2.53² =
  3. 3.71² =
  4. 4.28² =
  5. 5.13² =
  6. 6.26² =
  7. 7.26² =
  8. 8.41² =
  9. 9.15² =
  10. 10.84² =
  11. 11.79² =
  12. 12.29² =
  13. 13.85² =
  14. 14.75² =
  15. 15.62² =
  16. 16.25² =
  17. 17.98² =
  18. 18.65² =
  19. 19.41² =
  20. 20.31² =
  21. 21.95² =
  22. 22.39² =
  23. 23.44² =
  24. 24.32² =
  25. 25.91² =
  26. 26.89² =
  27. 27.36² =
  28. 28.89² =
  29. 29.84² =
  30. 30.11² =
  31. 31.23² =
  32. 32.51² =
  33. 33.32² =
  34. 34.51² =
  35. 35.52² =
  36. 36.25² =
  37. 37.42² =
  38. 38.19² =
  39. 39.96² =
  40. 40.73² =

Answer key

  1. 6561
  2. 2809
  3. 5041
  4. 784
  5. 169
  6. 676
  7. 676
  8. 1681
  9. 225
  10. 7056
  11. 6241
  12. 841
  13. 7225
  14. 5625
  15. 3844
  16. 625
  17. 9604
  18. 4225
  19. 1681
  20. 961
  21. 9025
  22. 1521
  23. 1936
  24. 1024
  25. 8281
  26. 7921
  27. 1296
  28. 7921
  29. 7056
  30. 121
  31. 529
  32. 2601
  33. 1024
  34. 2601
  35. 2704
  36. 625
  37. 1764
  38. 361
  39. 9216
  40. 5329

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