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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 475 · 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. 1.23² =
  2. 2.69² =
  3. 3.65² =
  4. 4.52² =
  5. 5.38² =
  6. 6.74² =
  7. 7.25² =
  8. 8.56² =
  9. 9.12² =
  10. 10.31² =
  11. 11.33² =
  12. 12.64² =
  13. 13.91² =
  14. 14.35² =
  15. 15.34² =
  16. 16.87² =
  17. 17.41² =
  18. 18.69² =
  19. 19.11² =
  20. 20.81² =
  21. 21.59² =
  22. 22.88² =
  23. 23.59² =
  24. 24.34² =
  25. 25.81² =
  26. 26.11² =
  27. 27.23² =
  28. 28.57² =
  29. 29.71² =
  30. 30.28² =
  31. 31.48² =
  32. 32.89² =
  33. 33.53² =
  34. 34.93² =
  35. 35.98² =
  36. 36.11² =
  37. 37.56² =
  38. 38.52² =
  39. 39.73² =
  40. 40.43² =

Answer key

  1. 529
  2. 4761
  3. 4225
  4. 2704
  5. 1444
  6. 5476
  7. 625
  8. 3136
  9. 144
  10. 961
  11. 1089
  12. 4096
  13. 8281
  14. 1225
  15. 1156
  16. 7569
  17. 1681
  18. 4761
  19. 121
  20. 6561
  21. 3481
  22. 7744
  23. 3481
  24. 1156
  25. 6561
  26. 121
  27. 529
  28. 3249
  29. 5041
  30. 784
  31. 2304
  32. 7921
  33. 2809
  34. 8649
  35. 9604
  36. 121
  37. 3136
  38. 2704
  39. 5329
  40. 1849

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