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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 899 · 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. 1.44² =
  2. 2.95² =
  3. 3.49² =
  4. 4.44² =
  5. 5.59² =
  6. 6.73² =
  7. 7.54² =
  8. 8.61² =
  9. 9.91² =
  10. 10.83² =
  11. 11.15² =
  12. 12.46² =
  13. 13.99² =
  14. 14.83² =
  15. 15.51² =
  16. 16.95² =
  17. 17.55² =
  18. 18.59² =
  19. 19.18² =
  20. 20.13² =
  21. 21.11² =
  22. 22.25² =
  23. 23.85² =
  24. 24.53² =
  25. 25.98² =
  26. 26.53² =
  27. 27.93² =
  28. 28.81² =
  29. 29.12² =
  30. 30.76² =
  31. 31.73² =
  32. 32.58² =
  33. 33.55² =
  34. 34.75² =
  35. 35.62² =
  36. 36.68² =
  37. 37.98² =
  38. 38.94² =
  39. 39.31² =
  40. 40.16² =

Answer key

  1. 1936
  2. 9025
  3. 2401
  4. 1936
  5. 3481
  6. 5329
  7. 2916
  8. 3721
  9. 8281
  10. 6889
  11. 225
  12. 2116
  13. 9801
  14. 6889
  15. 2601
  16. 9025
  17. 3025
  18. 3481
  19. 324
  20. 169
  21. 121
  22. 625
  23. 7225
  24. 2809
  25. 9604
  26. 2809
  27. 8649
  28. 6561
  29. 144
  30. 5776
  31. 5329
  32. 3364
  33. 3025
  34. 5625
  35. 3844
  36. 4624
  37. 9604
  38. 8836
  39. 961
  40. 256

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