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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 916 · 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. 1.27² =
  2. 2.17² =
  3. 3.88² =
  4. 4.84² =
  5. 5.35² =
  6. 6.22² =
  7. 7.78² =
  8. 8.17² =
  9. 9.71² =
  10. 10.59² =
  11. 11.28² =
  12. 12.55² =
  13. 13.16² =
  14. 14.45² =
  15. 15.64² =
  16. 16.45² =
  17. 17.42² =
  18. 18.21² =
  19. 19.16² =
  20. 20.77² =
  21. 21.74² =
  22. 22.34² =
  23. 23.17² =
  24. 24.43² =
  25. 25.53² =
  26. 26.91² =
  27. 27.92² =
  28. 28.58² =
  29. 29.83² =
  30. 30.16² =
  31. 31.35² =
  32. 32.81² =
  33. 33.59² =
  34. 34.65² =
  35. 35.71² =
  36. 36.99² =
  37. 37.67² =
  38. 38.91² =
  39. 39.19² =
  40. 40.31² =

Answer key

  1. 729
  2. 289
  3. 7744
  4. 7056
  5. 1225
  6. 484
  7. 6084
  8. 289
  9. 5041
  10. 3481
  11. 784
  12. 3025
  13. 256
  14. 2025
  15. 4096
  16. 2025
  17. 1764
  18. 441
  19. 256
  20. 5929
  21. 5476
  22. 1156
  23. 289
  24. 1849
  25. 2809
  26. 8281
  27. 8464
  28. 3364
  29. 6889
  30. 256
  31. 1225
  32. 6561
  33. 3481
  34. 4225
  35. 5041
  36. 9801
  37. 4489
  38. 8281
  39. 361
  40. 961

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