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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 365 · 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. 1.46² =
  2. 2.19² =
  3. 3.99² =
  4. 4.81² =
  5. 5.18² =
  6. 6.89² =
  7. 7.99² =
  8. 8.49² =
  9. 9.92² =
  10. 10.85² =
  11. 11.91² =
  12. 12.71² =
  13. 13.11² =
  14. 14.83² =
  15. 15.46² =
  16. 16.41² =
  17. 17.67² =
  18. 18.87² =
  19. 19.94² =
  20. 20.77² =
  21. 21.94² =
  22. 22.34² =
  23. 23.76² =
  24. 24.32² =
  25. 25.21² =
  26. 26.99² =
  27. 27.11² =
  28. 28.54² =
  29. 29.17² =
  30. 30.71² =
  31. 31.21² =
  32. 32.25² =
  33. 33.36² =
  34. 34.25² =
  35. 35.35² =
  36. 36.29² =
  37. 37.68² =
  38. 38.37² =
  39. 39.31² =
  40. 40.21² =

Answer key

  1. 2116
  2. 361
  3. 9801
  4. 6561
  5. 324
  6. 7921
  7. 9801
  8. 2401
  9. 8464
  10. 7225
  11. 8281
  12. 5041
  13. 121
  14. 6889
  15. 2116
  16. 1681
  17. 4489
  18. 7569
  19. 8836
  20. 5929
  21. 8836
  22. 1156
  23. 5776
  24. 1024
  25. 441
  26. 9801
  27. 121
  28. 2916
  29. 289
  30. 5041
  31. 441
  32. 625
  33. 1296
  34. 625
  35. 1225
  36. 841
  37. 4624
  38. 1369
  39. 961
  40. 441

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