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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 539 · 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. 1.19² =
  2. 2.12² =
  3. 3.33² =
  4. 4.15² =
  5. 5.99² =
  6. 6.13² =
  7. 7.53² =
  8. 8.46² =
  9. 9.75² =
  10. 10.36² =
  11. 11.11² =
  12. 12.32² =
  13. 13.29² =
  14. 14.14² =
  15. 15.63² =
  16. 16.36² =
  17. 17.68² =
  18. 18.81² =
  19. 19.49² =
  20. 20.51² =
  21. 21.37² =
  22. 22.92² =
  23. 23.91² =
  24. 24.65² =
  25. 25.63² =
  26. 26.76² =
  27. 27.87² =
  28. 28.89² =
  29. 29.97² =
  30. 30.44² =
  31. 31.29² =
  32. 32.75² =
  33. 33.46² =
  34. 34.48² =
  35. 35.19² =
  36. 36.26² =
  37. 37.65² =
  38. 38.36² =
  39. 39.41² =
  40. 40.18² =

Answer key

  1. 361
  2. 144
  3. 1089
  4. 225
  5. 9801
  6. 169
  7. 2809
  8. 2116
  9. 5625
  10. 1296
  11. 121
  12. 1024
  13. 841
  14. 196
  15. 3969
  16. 1296
  17. 4624
  18. 6561
  19. 2401
  20. 2601
  21. 1369
  22. 8464
  23. 8281
  24. 4225
  25. 3969
  26. 5776
  27. 7569
  28. 7921
  29. 9409
  30. 1936
  31. 841
  32. 5625
  33. 2116
  34. 2304
  35. 361
  36. 676
  37. 4225
  38. 1296
  39. 1681
  40. 324

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