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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 228 · 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. 1.96² =
  2. 2.21² =
  3. 3.34² =
  4. 4.53² =
  5. 5.76² =
  6. 6.98² =
  7. 7.27² =
  8. 8.45² =
  9. 9.16² =
  10. 10.76² =
  11. 11.22² =
  12. 12.78² =
  13. 13.27² =
  14. 14.26² =
  15. 15.94² =
  16. 16.46² =
  17. 17.54² =
  18. 18.35² =
  19. 19.25² =
  20. 20.53² =
  21. 21.85² =
  22. 22.38² =
  23. 23.64² =
  24. 24.67² =
  25. 25.68² =
  26. 26.26² =
  27. 27.41² =
  28. 28.14² =
  29. 29.98² =
  30. 30.51² =
  31. 31.69² =
  32. 32.15² =
  33. 33.81² =
  34. 34.58² =
  35. 35.87² =
  36. 36.44² =
  37. 37.57² =
  38. 38.69² =
  39. 39.61² =
  40. 40.25² =

Answer key

  1. 9216
  2. 441
  3. 1156
  4. 2809
  5. 5776
  6. 9604
  7. 729
  8. 2025
  9. 256
  10. 5776
  11. 484
  12. 6084
  13. 729
  14. 676
  15. 8836
  16. 2116
  17. 2916
  18. 1225
  19. 625
  20. 2809
  21. 7225
  22. 1444
  23. 4096
  24. 4489
  25. 4624
  26. 676
  27. 1681
  28. 196
  29. 9604
  30. 2601
  31. 4761
  32. 225
  33. 6561
  34. 3364
  35. 7569
  36. 1936
  37. 3249
  38. 4761
  39. 3721
  40. 625

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