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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 3 · 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. 1.64² =
  2. 2.84² =
  3. 3.73² =
  4. 4.89² =
  5. 5.76² =
  6. 6.43² =
  7. 7.74² =
  8. 8.98² =
  9. 9.12² =
  10. 10.23² =
  11. 11.62² =
  12. 12.51² =
  13. 13.31² =
  14. 14.36² =
  15. 15.58² =
  16. 16.12² =
  17. 17.22² =
  18. 18.44² =
  19. 19.64² =
  20. 20.51² =
  21. 21.63² =
  22. 22.64² =
  23. 23.51² =
  24. 24.24² =
  25. 25.43² =
  26. 26.49² =
  27. 27.85² =
  28. 28.98² =
  29. 29.21² =
  30. 30.63² =
  31. 31.91² =
  32. 32.42² =
  33. 33.33² =
  34. 34.43² =
  35. 35.28² =
  36. 36.49² =
  37. 37.95² =
  38. 38.81² =
  39. 39.66² =
  40. 40.16² =

Answer key

  1. 4096
  2. 7056
  3. 5329
  4. 7921
  5. 5776
  6. 1849
  7. 5476
  8. 9604
  9. 144
  10. 529
  11. 3844
  12. 2601
  13. 961
  14. 1296
  15. 3364
  16. 144
  17. 484
  18. 1936
  19. 4096
  20. 2601
  21. 3969
  22. 4096
  23. 2601
  24. 576
  25. 1849
  26. 2401
  27. 7225
  28. 9604
  29. 441
  30. 3969
  31. 8281
  32. 1764
  33. 1089
  34. 1849
  35. 784
  36. 2401
  37. 9025
  38. 6561
  39. 4356
  40. 256

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