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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 607 · 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. 1.18² =
  2. 2.42² =
  3. 3.29² =
  4. 4.45² =
  5. 5.14² =
  6. 6.76² =
  7. 7.97² =
  8. 8.48² =
  9. 9.82² =
  10. 10.38² =
  11. 11.37² =
  12. 12.38² =
  13. 13.83² =
  14. 14.12² =
  15. 15.28² =
  16. 16.13² =
  17. 17.21² =
  18. 18.35² =
  19. 19.16² =
  20. 20.87² =
  21. 21.25² =
  22. 22.84² =
  23. 23.14² =
  24. 24.95² =
  25. 25.68² =
  26. 26.56² =
  27. 27.99² =
  28. 28.75² =
  29. 29.22² =
  30. 30.22² =
  31. 31.35² =
  32. 32.17² =
  33. 33.16² =
  34. 34.77² =
  35. 35.77² =
  36. 36.32² =
  37. 37.65² =
  38. 38.63² =
  39. 39.27² =
  40. 40.44² =

Answer key

  1. 324
  2. 1764
  3. 841
  4. 2025
  5. 196
  6. 5776
  7. 9409
  8. 2304
  9. 6724
  10. 1444
  11. 1369
  12. 1444
  13. 6889
  14. 144
  15. 784
  16. 169
  17. 441
  18. 1225
  19. 256
  20. 7569
  21. 625
  22. 7056
  23. 196
  24. 9025
  25. 4624
  26. 3136
  27. 9801
  28. 5625
  29. 484
  30. 484
  31. 1225
  32. 289
  33. 256
  34. 5929
  35. 5929
  36. 1024
  37. 4225
  38. 3969
  39. 729
  40. 1936

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