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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 598 · 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. 1.86² =
  2. 2.54² =
  3. 3.75² =
  4. 4.38² =
  5. 5.12² =
  6. 6.46² =
  7. 7.98² =
  8. 8.98² =
  9. 9.56² =
  10. 10.67² =
  11. 11.42² =
  12. 12.35² =
  13. 13.39² =
  14. 14.15² =
  15. 15.29² =
  16. 16.65² =
  17. 17.69² =
  18. 18.91² =
  19. 19.97² =
  20. 20.86² =
  21. 21.97² =
  22. 22.56² =
  23. 23.92² =
  24. 24.11² =
  25. 25.51² =
  26. 26.12² =
  27. 27.11² =
  28. 28.23² =
  29. 29.41² =
  30. 30.63² =
  31. 31.96² =
  32. 32.79² =
  33. 33.26² =
  34. 34.19² =
  35. 35.31² =
  36. 36.44² =
  37. 37.94² =
  38. 38.21² =
  39. 39.32² =
  40. 40.52² =

Answer key

  1. 7396
  2. 2916
  3. 5625
  4. 1444
  5. 144
  6. 2116
  7. 9604
  8. 9604
  9. 3136
  10. 4489
  11. 1764
  12. 1225
  13. 1521
  14. 225
  15. 841
  16. 4225
  17. 4761
  18. 8281
  19. 9409
  20. 7396
  21. 9409
  22. 3136
  23. 8464
  24. 121
  25. 2601
  26. 144
  27. 121
  28. 529
  29. 1681
  30. 3969
  31. 9216
  32. 6241
  33. 676
  34. 361
  35. 961
  36. 1936
  37. 8836
  38. 441
  39. 1024
  40. 2704

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