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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 945 · 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. 1.68² =
  2. 2.56² =
  3. 3.17² =
  4. 4.37² =
  5. 5.18² =
  6. 6.35² =
  7. 7.64² =
  8. 8.51² =
  9. 9.21² =
  10. 10.83² =
  11. 11.94² =
  12. 12.29² =
  13. 13.31² =
  14. 14.31² =
  15. 15.41² =
  16. 16.14² =
  17. 17.11² =
  18. 18.19² =
  19. 19.82² =
  20. 20.15² =
  21. 21.39² =
  22. 22.53² =
  23. 23.21² =
  24. 24.79² =
  25. 25.84² =
  26. 26.88² =
  27. 27.87² =
  28. 28.11² =
  29. 29.14² =
  30. 30.73² =
  31. 31.39² =
  32. 32.32² =
  33. 33.76² =
  34. 34.12² =
  35. 35.29² =
  36. 36.19² =
  37. 37.71² =
  38. 38.19² =
  39. 39.99² =
  40. 40.23² =

Answer key

  1. 4624
  2. 3136
  3. 289
  4. 1369
  5. 324
  6. 1225
  7. 4096
  8. 2601
  9. 441
  10. 6889
  11. 8836
  12. 841
  13. 961
  14. 961
  15. 1681
  16. 196
  17. 121
  18. 361
  19. 6724
  20. 225
  21. 1521
  22. 2809
  23. 441
  24. 6241
  25. 7056
  26. 7744
  27. 7569
  28. 121
  29. 196
  30. 5329
  31. 1521
  32. 1024
  33. 5776
  34. 144
  35. 841
  36. 361
  37. 5041
  38. 361
  39. 9801
  40. 529

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