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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 709 · 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. 1.12² =
  2. 2.84² =
  3. 3.81² =
  4. 4.66² =
  5. 5.43² =
  6. 6.71² =
  7. 7.96² =
  8. 8.68² =
  9. 9.65² =
  10. 10.99² =
  11. 11.44² =
  12. 12.98² =
  13. 13.18² =
  14. 14.35² =
  15. 15.83² =
  16. 16.73² =
  17. 17.35² =
  18. 18.23² =
  19. 19.66² =
  20. 20.26² =
  21. 21.29² =
  22. 22.41² =
  23. 23.93² =
  24. 24.66² =
  25. 25.86² =
  26. 26.57² =
  27. 27.74² =
  28. 28.31² =
  29. 29.45² =
  30. 30.31² =
  31. 31.11² =
  32. 32.57² =
  33. 33.83² =
  34. 34.76² =
  35. 35.78² =
  36. 36.72² =
  37. 37.59² =
  38. 38.58² =
  39. 39.65² =
  40. 40.49² =

Answer key

  1. 144
  2. 7056
  3. 6561
  4. 4356
  5. 1849
  6. 5041
  7. 9216
  8. 4624
  9. 4225
  10. 9801
  11. 1936
  12. 9604
  13. 324
  14. 1225
  15. 6889
  16. 5329
  17. 1225
  18. 529
  19. 4356
  20. 676
  21. 841
  22. 1681
  23. 8649
  24. 4356
  25. 7396
  26. 3249
  27. 5476
  28. 961
  29. 2025
  30. 961
  31. 121
  32. 3249
  33. 6889
  34. 5776
  35. 6084
  36. 5184
  37. 3481
  38. 3364
  39. 4225
  40. 2401

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