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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 551 · 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. 2.62² =
  3. 3.35² =
  4. 4.96² =
  5. 5.37² =
  6. 6.62² =
  7. 7.31² =
  8. 8.42² =
  9. 9.67² =
  10. 10.99² =
  11. 11.64² =
  12. 12.69² =
  13. 13.96² =
  14. 14.68² =
  15. 15.54² =
  16. 16.97² =
  17. 17.31² =
  18. 18.22² =
  19. 19.57² =
  20. 20.38² =
  21. 21.36² =
  22. 22.37² =
  23. 23.47² =
  24. 24.92² =
  25. 25.29² =
  26. 26.36² =
  27. 27.81² =
  28. 28.82² =
  29. 29.24² =
  30. 30.73² =
  31. 31.46² =
  32. 32.63² =
  33. 33.61² =
  34. 34.98² =
  35. 35.21² =
  36. 36.71² =
  37. 37.21² =
  38. 38.86² =
  39. 39.68² =
  40. 40.56² =

Answer key

  1. 361
  2. 3844
  3. 1225
  4. 9216
  5. 1369
  6. 3844
  7. 961
  8. 1764
  9. 4489
  10. 9801
  11. 4096
  12. 4761
  13. 9216
  14. 4624
  15. 2916
  16. 9409
  17. 961
  18. 484
  19. 3249
  20. 1444
  21. 1296
  22. 1369
  23. 2209
  24. 8464
  25. 841
  26. 1296
  27. 6561
  28. 6724
  29. 576
  30. 5329
  31. 2116
  32. 3969
  33. 3721
  34. 9604
  35. 441
  36. 5041
  37. 441
  38. 7396
  39. 4624
  40. 3136

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