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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 146 · 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. 1.45² =
  2. 2.88² =
  3. 3.24² =
  4. 4.81² =
  5. 5.21² =
  6. 6.46² =
  7. 7.21² =
  8. 8.22² =
  9. 9.35² =
  10. 10.37² =
  11. 11.23² =
  12. 12.21² =
  13. 13.91² =
  14. 14.21² =
  15. 15.97² =
  16. 16.29² =
  17. 17.49² =
  18. 18.63² =
  19. 19.81² =
  20. 20.64² =
  21. 21.11² =
  22. 22.27² =
  23. 23.51² =
  24. 24.19² =
  25. 25.83² =
  26. 26.31² =
  27. 27.19² =
  28. 28.43² =
  29. 29.91² =
  30. 30.28² =
  31. 31.58² =
  32. 32.19² =
  33. 33.88² =
  34. 34.17² =
  35. 35.75² =
  36. 36.14² =
  37. 37.76² =
  38. 38.29² =
  39. 39.95² =
  40. 40.18² =

Answer key

  1. 2025
  2. 7744
  3. 576
  4. 6561
  5. 441
  6. 2116
  7. 441
  8. 484
  9. 1225
  10. 1369
  11. 529
  12. 441
  13. 8281
  14. 441
  15. 9409
  16. 841
  17. 2401
  18. 3969
  19. 6561
  20. 4096
  21. 121
  22. 729
  23. 2601
  24. 361
  25. 6889
  26. 961
  27. 361
  28. 1849
  29. 8281
  30. 784
  31. 3364
  32. 361
  33. 7744
  34. 289
  35. 5625
  36. 196
  37. 5776
  38. 841
  39. 9025
  40. 324

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