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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 520 · 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. 1.64² =
  2. 2.13² =
  3. 3.32² =
  4. 4.15² =
  5. 5.52² =
  6. 6.25² =
  7. 7.35² =
  8. 8.32² =
  9. 9.87² =
  10. 10.67² =
  11. 11.95² =
  12. 12.97² =
  13. 13.42² =
  14. 14.34² =
  15. 15.56² =
  16. 16.16² =
  17. 17.82² =
  18. 18.92² =
  19. 19.92² =
  20. 20.76² =
  21. 21.81² =
  22. 22.91² =
  23. 23.84² =
  24. 24.43² =
  25. 25.39² =
  26. 26.77² =
  27. 27.37² =
  28. 28.95² =
  29. 29.65² =
  30. 30.81² =
  31. 31.75² =
  32. 32.62² =
  33. 33.87² =
  34. 34.49² =
  35. 35.71² =
  36. 36.38² =
  37. 37.29² =
  38. 38.12² =
  39. 39.46² =
  40. 40.76² =

Answer key

  1. 4096
  2. 169
  3. 1024
  4. 225
  5. 2704
  6. 625
  7. 1225
  8. 1024
  9. 7569
  10. 4489
  11. 9025
  12. 9409
  13. 1764
  14. 1156
  15. 3136
  16. 256
  17. 6724
  18. 8464
  19. 8464
  20. 5776
  21. 6561
  22. 8281
  23. 7056
  24. 1849
  25. 1521
  26. 5929
  27. 1369
  28. 9025
  29. 4225
  30. 6561
  31. 5625
  32. 3844
  33. 7569
  34. 2401
  35. 5041
  36. 1444
  37. 841
  38. 144
  39. 2116
  40. 5776

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