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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 838 · 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. 1.29² =
  2. 2.76² =
  3. 3.93² =
  4. 4.59² =
  5. 5.94² =
  6. 6.89² =
  7. 7.25² =
  8. 8.91² =
  9. 9.91² =
  10. 10.29² =
  11. 11.21² =
  12. 12.96² =
  13. 13.23² =
  14. 14.65² =
  15. 15.96² =
  16. 16.49² =
  17. 17.55² =
  18. 18.39² =
  19. 19.69² =
  20. 20.62² =
  21. 21.16² =
  22. 22.26² =
  23. 23.42² =
  24. 24.51² =
  25. 25.35² =
  26. 26.41² =
  27. 27.36² =
  28. 28.34² =
  29. 29.31² =
  30. 30.59² =
  31. 31.48² =
  32. 32.15² =
  33. 33.79² =
  34. 34.45² =
  35. 35.44² =
  36. 36.65² =
  37. 37.62² =
  38. 38.48² =
  39. 39.21² =
  40. 40.59² =

Answer key

  1. 841
  2. 5776
  3. 8649
  4. 3481
  5. 8836
  6. 7921
  7. 625
  8. 8281
  9. 8281
  10. 841
  11. 441
  12. 9216
  13. 529
  14. 4225
  15. 9216
  16. 2401
  17. 3025
  18. 1521
  19. 4761
  20. 3844
  21. 256
  22. 676
  23. 1764
  24. 2601
  25. 1225
  26. 1681
  27. 1296
  28. 1156
  29. 961
  30. 3481
  31. 2304
  32. 225
  33. 6241
  34. 2025
  35. 1936
  36. 4225
  37. 3844
  38. 2304
  39. 441
  40. 3481

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