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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 969 · 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. 1.51² =
  2. 2.21² =
  3. 3.18² =
  4. 4.95² =
  5. 5.11² =
  6. 6.35² =
  7. 7.91² =
  8. 8.64² =
  9. 9.24² =
  10. 10.28² =
  11. 11.55² =
  12. 12.19² =
  13. 13.54² =
  14. 14.58² =
  15. 15.17² =
  16. 16.51² =
  17. 17.74² =
  18. 18.47² =
  19. 19.22² =
  20. 20.87² =
  21. 21.92² =
  22. 22.21² =
  23. 23.11² =
  24. 24.13² =
  25. 25.65² =
  26. 26.81² =
  27. 27.79² =
  28. 28.17² =
  29. 29.63² =
  30. 30.31² =
  31. 31.42² =
  32. 32.21² =
  33. 33.51² =
  34. 34.21² =
  35. 35.71² =
  36. 36.61² =
  37. 37.18² =
  38. 38.79² =
  39. 39.49² =
  40. 40.81² =

Answer key

  1. 2601
  2. 441
  3. 324
  4. 9025
  5. 121
  6. 1225
  7. 8281
  8. 4096
  9. 576
  10. 784
  11. 3025
  12. 361
  13. 2916
  14. 3364
  15. 289
  16. 2601
  17. 5476
  18. 2209
  19. 484
  20. 7569
  21. 8464
  22. 441
  23. 121
  24. 169
  25. 4225
  26. 6561
  27. 6241
  28. 289
  29. 3969
  30. 961
  31. 1764
  32. 441
  33. 2601
  34. 441
  35. 5041
  36. 3721
  37. 324
  38. 6241
  39. 2401
  40. 6561

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