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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 875 · 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. 1.21² =
  2. 2.75² =
  3. 3.49² =
  4. 4.87² =
  5. 5.19² =
  6. 6.19² =
  7. 7.69² =
  8. 8.84² =
  9. 9.89² =
  10. 10.91² =
  11. 11.91² =
  12. 12.44² =
  13. 13.63² =
  14. 14.27² =
  15. 15.61² =
  16. 16.98² =
  17. 17.15² =
  18. 18.64² =
  19. 19.74² =
  20. 20.37² =
  21. 21.47² =
  22. 22.18² =
  23. 23.93² =
  24. 24.62² =
  25. 25.77² =
  26. 26.51² =
  27. 27.49² =
  28. 28.59² =
  29. 29.31² =
  30. 30.55² =
  31. 31.35² =
  32. 32.81² =
  33. 33.11² =
  34. 34.79² =
  35. 35.78² =
  36. 36.96² =
  37. 37.53² =
  38. 38.25² =
  39. 39.35² =
  40. 40.22² =

Answer key

  1. 441
  2. 5625
  3. 2401
  4. 7569
  5. 361
  6. 361
  7. 4761
  8. 7056
  9. 7921
  10. 8281
  11. 8281
  12. 1936
  13. 3969
  14. 729
  15. 3721
  16. 9604
  17. 225
  18. 4096
  19. 5476
  20. 1369
  21. 2209
  22. 324
  23. 8649
  24. 3844
  25. 5929
  26. 2601
  27. 2401
  28. 3481
  29. 961
  30. 3025
  31. 1225
  32. 6561
  33. 121
  34. 6241
  35. 6084
  36. 9216
  37. 2809
  38. 625
  39. 1225
  40. 484

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