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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 8 · 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. 1.67² =
  2. 2.65² =
  3. 3.42² =
  4. 4.17² =
  5. 5.67² =
  6. 6.17² =
  7. 7.82² =
  8. 8.57² =
  9. 9.69² =
  10. 10.78² =
  11. 11.29² =
  12. 12.85² =
  13. 13.79² =
  14. 14.69² =
  15. 15.58² =
  16. 16.18² =
  17. 17.73² =
  18. 18.69² =
  19. 19.93² =
  20. 20.37² =
  21. 21.37² =
  22. 22.41² =
  23. 23.88² =
  24. 24.21² =
  25. 25.31² =
  26. 26.31² =
  27. 27.25² =
  28. 28.91² =
  29. 29.42² =
  30. 30.49² =
  31. 31.65² =
  32. 32.74² =
  33. 33.12² =
  34. 34.22² =
  35. 35.84² =
  36. 36.36² =
  37. 37.57² =
  38. 38.54² =
  39. 39.87² =
  40. 40.24² =

Answer key

  1. 4489
  2. 4225
  3. 1764
  4. 289
  5. 4489
  6. 289
  7. 6724
  8. 3249
  9. 4761
  10. 6084
  11. 841
  12. 7225
  13. 6241
  14. 4761
  15. 3364
  16. 324
  17. 5329
  18. 4761
  19. 8649
  20. 1369
  21. 1369
  22. 1681
  23. 7744
  24. 441
  25. 961
  26. 961
  27. 625
  28. 8281
  29. 1764
  30. 2401
  31. 4225
  32. 5476
  33. 144
  34. 484
  35. 7056
  36. 1296
  37. 3249
  38. 2916
  39. 7569
  40. 576

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