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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 659 · 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. 1.91² =
  2. 2.73² =
  3. 3.67² =
  4. 4.53² =
  5. 5.62² =
  6. 6.38² =
  7. 7.33² =
  8. 8.69² =
  9. 9.32² =
  10. 10.92² =
  11. 11.22² =
  12. 12.97² =
  13. 13.84² =
  14. 14.24² =
  15. 15.41² =
  16. 16.71² =
  17. 17.31² =
  18. 18.27² =
  19. 19.42² =
  20. 20.86² =
  21. 21.79² =
  22. 22.55² =
  23. 23.54² =
  24. 24.56² =
  25. 25.16² =
  26. 26.24² =
  27. 27.31² =
  28. 28.26² =
  29. 29.35² =
  30. 30.82² =
  31. 31.94² =
  32. 32.61² =
  33. 33.25² =
  34. 34.52² =
  35. 35.85² =
  36. 36.11² =
  37. 37.55² =
  38. 38.64² =
  39. 39.21² =
  40. 40.99² =

Answer key

  1. 8281
  2. 5329
  3. 4489
  4. 2809
  5. 3844
  6. 1444
  7. 1089
  8. 4761
  9. 1024
  10. 8464
  11. 484
  12. 9409
  13. 7056
  14. 576
  15. 1681
  16. 5041
  17. 961
  18. 729
  19. 1764
  20. 7396
  21. 6241
  22. 3025
  23. 2916
  24. 3136
  25. 256
  26. 576
  27. 961
  28. 676
  29. 1225
  30. 6724
  31. 8836
  32. 3721
  33. 625
  34. 2704
  35. 7225
  36. 121
  37. 3025
  38. 4096
  39. 441
  40. 9801

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