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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 891 · 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. 1.17² =
  2. 2.75² =
  3. 3.53² =
  4. 4.71² =
  5. 5.55² =
  6. 6.12² =
  7. 7.24² =
  8. 8.43² =
  9. 9.49² =
  10. 10.65² =
  11. 11.56² =
  12. 12.31² =
  13. 13.11² =
  14. 14.31² =
  15. 15.85² =
  16. 16.89² =
  17. 17.23² =
  18. 18.13² =
  19. 19.21² =
  20. 20.61² =
  21. 21.86² =
  22. 22.94² =
  23. 23.26² =
  24. 24.38² =
  25. 25.71² =
  26. 26.69² =
  27. 27.21² =
  28. 28.86² =
  29. 29.65² =
  30. 30.21² =
  31. 31.12² =
  32. 32.17² =
  33. 33.11² =
  34. 34.93² =
  35. 35.55² =
  36. 36.24² =
  37. 37.71² =
  38. 38.51² =
  39. 39.56² =
  40. 40.23² =

Answer key

  1. 289
  2. 5625
  3. 2809
  4. 5041
  5. 3025
  6. 144
  7. 576
  8. 1849
  9. 2401
  10. 4225
  11. 3136
  12. 961
  13. 121
  14. 961
  15. 7225
  16. 7921
  17. 529
  18. 169
  19. 441
  20. 3721
  21. 7396
  22. 8836
  23. 676
  24. 1444
  25. 5041
  26. 4761
  27. 441
  28. 7396
  29. 4225
  30. 441
  31. 144
  32. 289
  33. 121
  34. 8649
  35. 3025
  36. 576
  37. 5041
  38. 2601
  39. 3136
  40. 529

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