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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 81 · 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. 2.34² =
  3. 3.39² =
  4. 4.69² =
  5. 5.56² =
  6. 6.56² =
  7. 7.32² =
  8. 8.21² =
  9. 9.42² =
  10. 10.51² =
  11. 11.39² =
  12. 12.91² =
  13. 13.39² =
  14. 14.41² =
  15. 15.46² =
  16. 16.17² =
  17. 17.35² =
  18. 18.48² =
  19. 19.21² =
  20. 20.22² =
  21. 21.86² =
  22. 22.98² =
  23. 23.61² =
  24. 24.27² =
  25. 25.58² =
  26. 26.41² =
  27. 27.45² =
  28. 28.77² =
  29. 29.17² =
  30. 30.53² =
  31. 31.39² =
  32. 32.54² =
  33. 33.89² =
  34. 34.79² =
  35. 35.88² =
  36. 36.23² =
  37. 37.61² =
  38. 38.81² =
  39. 39.41² =
  40. 40.43² =

Answer key

  1. 324
  2. 1156
  3. 1521
  4. 4761
  5. 3136
  6. 3136
  7. 1024
  8. 441
  9. 1764
  10. 2601
  11. 1521
  12. 8281
  13. 1521
  14. 1681
  15. 2116
  16. 289
  17. 1225
  18. 2304
  19. 441
  20. 484
  21. 7396
  22. 9604
  23. 3721
  24. 729
  25. 3364
  26. 1681
  27. 2025
  28. 5929
  29. 289
  30. 2809
  31. 1521
  32. 2916
  33. 7921
  34. 6241
  35. 7744
  36. 529
  37. 3721
  38. 6561
  39. 1681
  40. 1849

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