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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 851 · 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. 1.32² =
  2. 2.75² =
  3. 3.15² =
  4. 4.22² =
  5. 5.15² =
  6. 6.55² =
  7. 7.29² =
  8. 8.42² =
  9. 9.54² =
  10. 10.85² =
  11. 11.65² =
  12. 12.83² =
  13. 13.18² =
  14. 14.61² =
  15. 15.17² =
  16. 16.72² =
  17. 17.94² =
  18. 18.87² =
  19. 19.38² =
  20. 20.94² =
  21. 21.56² =
  22. 22.93² =
  23. 23.99² =
  24. 24.87² =
  25. 25.13² =
  26. 26.52² =
  27. 27.95² =
  28. 28.21² =
  29. 29.36² =
  30. 30.45² =
  31. 31.49² =
  32. 32.73² =
  33. 33.39² =
  34. 34.67² =
  35. 35.32² =
  36. 36.87² =
  37. 37.99² =
  38. 38.67² =
  39. 39.11² =
  40. 40.25² =

Answer key

  1. 1024
  2. 5625
  3. 225
  4. 484
  5. 225
  6. 3025
  7. 841
  8. 1764
  9. 2916
  10. 7225
  11. 4225
  12. 6889
  13. 324
  14. 3721
  15. 289
  16. 5184
  17. 8836
  18. 7569
  19. 1444
  20. 8836
  21. 3136
  22. 8649
  23. 9801
  24. 7569
  25. 169
  26. 2704
  27. 9025
  28. 441
  29. 1296
  30. 2025
  31. 2401
  32. 5329
  33. 1521
  34. 4489
  35. 1024
  36. 7569
  37. 9801
  38. 4489
  39. 121
  40. 625

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