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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 651 · 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. 1.47² =
  2. 2.18² =
  3. 3.92² =
  4. 4.51² =
  5. 5.49² =
  6. 6.21² =
  7. 7.46² =
  8. 8.29² =
  9. 9.14² =
  10. 10.97² =
  11. 11.15² =
  12. 12.21² =
  13. 13.56² =
  14. 14.61² =
  15. 15.39² =
  16. 16.98² =
  17. 17.19² =
  18. 18.26² =
  19. 19.12² =
  20. 20.85² =
  21. 21.32² =
  22. 22.81² =
  23. 23.23² =
  24. 24.17² =
  25. 25.35² =
  26. 26.12² =
  27. 27.85² =
  28. 28.51² =
  29. 29.31² =
  30. 30.85² =
  31. 31.21² =
  32. 32.24² =
  33. 33.58² =
  34. 34.27² =
  35. 35.64² =
  36. 36.54² =
  37. 37.51² =
  38. 38.13² =
  39. 39.22² =
  40. 40.87² =

Answer key

  1. 2209
  2. 324
  3. 8464
  4. 2601
  5. 2401
  6. 441
  7. 2116
  8. 841
  9. 196
  10. 9409
  11. 225
  12. 441
  13. 3136
  14. 3721
  15. 1521
  16. 9604
  17. 361
  18. 676
  19. 144
  20. 7225
  21. 1024
  22. 6561
  23. 529
  24. 289
  25. 1225
  26. 144
  27. 7225
  28. 2601
  29. 961
  30. 7225
  31. 441
  32. 576
  33. 3364
  34. 729
  35. 4096
  36. 2916
  37. 2601
  38. 169
  39. 484
  40. 7569

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