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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 902 · 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. 1.12² =
  2. 2.74² =
  3. 3.96² =
  4. 4.24² =
  5. 5.76² =
  6. 6.94² =
  7. 7.79² =
  8. 8.19² =
  9. 9.42² =
  10. 10.91² =
  11. 11.16² =
  12. 12.21² =
  13. 13.18² =
  14. 14.47² =
  15. 15.65² =
  16. 16.86² =
  17. 17.11² =
  18. 18.45² =
  19. 19.29² =
  20. 20.32² =
  21. 21.73² =
  22. 22.67² =
  23. 23.38² =
  24. 24.14² =
  25. 25.14² =
  26. 26.61² =
  27. 27.86² =
  28. 28.32² =
  29. 29.77² =
  30. 30.81² =
  31. 31.87² =
  32. 32.45² =
  33. 33.72² =
  34. 34.56² =
  35. 35.91² =
  36. 36.64² =
  37. 37.53² =
  38. 38.51² =
  39. 39.81² =
  40. 40.11² =

Answer key

  1. 144
  2. 5476
  3. 9216
  4. 576
  5. 5776
  6. 8836
  7. 6241
  8. 361
  9. 1764
  10. 8281
  11. 256
  12. 441
  13. 324
  14. 2209
  15. 4225
  16. 7396
  17. 121
  18. 2025
  19. 841
  20. 1024
  21. 5329
  22. 4489
  23. 1444
  24. 196
  25. 196
  26. 3721
  27. 7396
  28. 1024
  29. 5929
  30. 6561
  31. 7569
  32. 2025
  33. 5184
  34. 3136
  35. 8281
  36. 4096
  37. 2809
  38. 2601
  39. 6561
  40. 121

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