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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 298 · 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. 1.65² =
  2. 2.54² =
  3. 3.56² =
  4. 4.31² =
  5. 5.75² =
  6. 6.37² =
  7. 7.69² =
  8. 8.83² =
  9. 9.12² =
  10. 10.87² =
  11. 11.52² =
  12. 12.66² =
  13. 13.65² =
  14. 14.37² =
  15. 15.18² =
  16. 16.76² =
  17. 17.55² =
  18. 18.48² =
  19. 19.33² =
  20. 20.41² =
  21. 21.73² =
  22. 22.31² =
  23. 23.96² =
  24. 24.91² =
  25. 25.34² =
  26. 26.36² =
  27. 27.27² =
  28. 28.26² =
  29. 29.17² =
  30. 30.24² =
  31. 31.57² =
  32. 32.49² =
  33. 33.91² =
  34. 34.32² =
  35. 35.31² =
  36. 36.45² =
  37. 37.26² =
  38. 38.46² =
  39. 39.93² =
  40. 40.79² =

Answer key

  1. 4225
  2. 2916
  3. 3136
  4. 961
  5. 5625
  6. 1369
  7. 4761
  8. 6889
  9. 144
  10. 7569
  11. 2704
  12. 4356
  13. 4225
  14. 1369
  15. 324
  16. 5776
  17. 3025
  18. 2304
  19. 1089
  20. 1681
  21. 5329
  22. 961
  23. 9216
  24. 8281
  25. 1156
  26. 1296
  27. 729
  28. 676
  29. 289
  30. 576
  31. 3249
  32. 2401
  33. 8281
  34. 1024
  35. 961
  36. 2025
  37. 676
  38. 2116
  39. 8649
  40. 6241

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