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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 270 · 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. 1.26² =
  2. 2.89² =
  3. 3.23² =
  4. 4.21² =
  5. 5.94² =
  6. 6.47² =
  7. 7.21² =
  8. 8.58² =
  9. 9.79² =
  10. 10.11² =
  11. 11.84² =
  12. 12.77² =
  13. 13.21² =
  14. 14.81² =
  15. 15.29² =
  16. 16.51² =
  17. 17.24² =
  18. 18.79² =
  19. 19.53² =
  20. 20.93² =
  21. 21.88² =
  22. 22.19² =
  23. 23.61² =
  24. 24.26² =
  25. 25.96² =
  26. 26.21² =
  27. 27.33² =
  28. 28.37² =
  29. 29.51² =
  30. 30.49² =
  31. 31.59² =
  32. 32.57² =
  33. 33.21² =
  34. 34.33² =
  35. 35.81² =
  36. 36.45² =
  37. 37.31² =
  38. 38.88² =
  39. 39.45² =
  40. 40.35² =

Answer key

  1. 676
  2. 7921
  3. 529
  4. 441
  5. 8836
  6. 2209
  7. 441
  8. 3364
  9. 6241
  10. 121
  11. 7056
  12. 5929
  13. 441
  14. 6561
  15. 841
  16. 2601
  17. 576
  18. 6241
  19. 2809
  20. 8649
  21. 7744
  22. 361
  23. 3721
  24. 676
  25. 9216
  26. 441
  27. 1089
  28. 1369
  29. 2601
  30. 2401
  31. 3481
  32. 3249
  33. 441
  34. 1089
  35. 6561
  36. 2025
  37. 961
  38. 7744
  39. 2025
  40. 1225

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