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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 408 · 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. 1.94² =
  2. 2.15² =
  3. 3.17² =
  4. 4.92² =
  5. 5.17² =
  6. 6.13² =
  7. 7.56² =
  8. 8.31² =
  9. 9.95² =
  10. 10.18² =
  11. 11.19² =
  12. 12.74² =
  13. 13.27² =
  14. 14.73² =
  15. 15.36² =
  16. 16.29² =
  17. 17.28² =
  18. 18.93² =
  19. 19.94² =
  20. 20.66² =
  21. 21.23² =
  22. 22.26² =
  23. 23.63² =
  24. 24.43² =
  25. 25.31² =
  26. 26.94² =
  27. 27.36² =
  28. 28.96² =
  29. 29.37² =
  30. 30.81² =
  31. 31.23² =
  32. 32.54² =
  33. 33.54² =
  34. 34.55² =
  35. 35.93² =
  36. 36.94² =
  37. 37.89² =
  38. 38.66² =
  39. 39.74² =
  40. 40.75² =

Answer key

  1. 8836
  2. 225
  3. 289
  4. 8464
  5. 289
  6. 169
  7. 3136
  8. 961
  9. 9025
  10. 324
  11. 361
  12. 5476
  13. 729
  14. 5329
  15. 1296
  16. 841
  17. 784
  18. 8649
  19. 8836
  20. 4356
  21. 529
  22. 676
  23. 3969
  24. 1849
  25. 961
  26. 8836
  27. 1296
  28. 9216
  29. 1369
  30. 6561
  31. 529
  32. 2916
  33. 2916
  34. 3025
  35. 8649
  36. 8836
  37. 7921
  38. 4356
  39. 5476
  40. 5625

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