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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 46 · 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. 1.93² =
  2. 2.21² =
  3. 3.21² =
  4. 4.76² =
  5. 5.13² =
  6. 6.53² =
  7. 7.92² =
  8. 8.51² =
  9. 9.56² =
  10. 10.94² =
  11. 11.88² =
  12. 12.45² =
  13. 13.12² =
  14. 14.66² =
  15. 15.47² =
  16. 16.21² =
  17. 17.49² =
  18. 18.84² =
  19. 19.61² =
  20. 20.21² =
  21. 21.43² =
  22. 22.51² =
  23. 23.68² =
  24. 24.45² =
  25. 25.57² =
  26. 26.21² =
  27. 27.28² =
  28. 28.76² =
  29. 29.81² =
  30. 30.55² =
  31. 31.42² =
  32. 32.31² =
  33. 33.67² =
  34. 34.28² =
  35. 35.91² =
  36. 36.71² =
  37. 37.97² =
  38. 38.91² =
  39. 39.79² =
  40. 40.71² =

Answer key

  1. 8649
  2. 441
  3. 441
  4. 5776
  5. 169
  6. 2809
  7. 8464
  8. 2601
  9. 3136
  10. 8836
  11. 7744
  12. 2025
  13. 144
  14. 4356
  15. 2209
  16. 441
  17. 2401
  18. 7056
  19. 3721
  20. 441
  21. 1849
  22. 2601
  23. 4624
  24. 2025
  25. 3249
  26. 441
  27. 784
  28. 5776
  29. 6561
  30. 3025
  31. 1764
  32. 961
  33. 4489
  34. 784
  35. 8281
  36. 5041
  37. 9409
  38. 8281
  39. 6241
  40. 5041

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