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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 390 · 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. 1.13² =
  2. 2.69² =
  3. 3.14² =
  4. 4.17² =
  5. 5.95² =
  6. 6.75² =
  7. 7.61² =
  8. 8.53² =
  9. 9.25² =
  10. 10.51² =
  11. 11.92² =
  12. 12.36² =
  13. 13.76² =
  14. 14.39² =
  15. 15.34² =
  16. 16.64² =
  17. 17.21² =
  18. 18.24² =
  19. 19.64² =
  20. 20.77² =
  21. 21.95² =
  22. 22.54² =
  23. 23.88² =
  24. 24.89² =
  25. 25.77² =
  26. 26.41² =
  27. 27.33² =
  28. 28.26² =
  29. 29.73² =
  30. 30.18² =
  31. 31.22² =
  32. 32.44² =
  33. 33.14² =
  34. 34.27² =
  35. 35.32² =
  36. 36.23² =
  37. 37.42² =
  38. 38.42² =
  39. 39.93² =
  40. 40.14² =

Answer key

  1. 169
  2. 4761
  3. 196
  4. 289
  5. 9025
  6. 5625
  7. 3721
  8. 2809
  9. 625
  10. 2601
  11. 8464
  12. 1296
  13. 5776
  14. 1521
  15. 1156
  16. 4096
  17. 441
  18. 576
  19. 4096
  20. 5929
  21. 9025
  22. 2916
  23. 7744
  24. 7921
  25. 5929
  26. 1681
  27. 1089
  28. 676
  29. 5329
  30. 324
  31. 484
  32. 1936
  33. 196
  34. 729
  35. 1024
  36. 529
  37. 1764
  38. 1764
  39. 8649
  40. 196

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