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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 687 · 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. 1.31² =
  2. 2.45² =
  3. 3.73² =
  4. 4.99² =
  5. 5.88² =
  6. 6.27² =
  7. 7.23² =
  8. 8.27² =
  9. 9.21² =
  10. 10.99² =
  11. 11.98² =
  12. 12.79² =
  13. 13.18² =
  14. 14.15² =
  15. 15.37² =
  16. 16.36² =
  17. 17.99² =
  18. 18.17² =
  19. 19.54² =
  20. 20.77² =
  21. 21.65² =
  22. 22.82² =
  23. 23.45² =
  24. 24.62² =
  25. 25.99² =
  26. 26.58² =
  27. 27.12² =
  28. 28.61² =
  29. 29.61² =
  30. 30.61² =
  31. 31.91² =
  32. 32.45² =
  33. 33.95² =
  34. 34.59² =
  35. 35.62² =
  36. 36.51² =
  37. 37.45² =
  38. 38.76² =
  39. 39.81² =
  40. 40.42² =

Answer key

  1. 961
  2. 2025
  3. 5329
  4. 9801
  5. 7744
  6. 729
  7. 529
  8. 729
  9. 441
  10. 9801
  11. 9604
  12. 6241
  13. 324
  14. 225
  15. 1369
  16. 1296
  17. 9801
  18. 289
  19. 2916
  20. 5929
  21. 4225
  22. 6724
  23. 2025
  24. 3844
  25. 9801
  26. 3364
  27. 144
  28. 3721
  29. 3721
  30. 3721
  31. 8281
  32. 2025
  33. 9025
  34. 3481
  35. 3844
  36. 2601
  37. 2025
  38. 5776
  39. 6561
  40. 1764

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