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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 154 · 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. 1.37² =
  2. 2.12² =
  3. 3.49² =
  4. 4.51² =
  5. 5.69² =
  6. 6.86² =
  7. 7.14² =
  8. 8.36² =
  9. 9.67² =
  10. 10.45² =
  11. 11.82² =
  12. 12.46² =
  13. 13.36² =
  14. 14.41² =
  15. 15.29² =
  16. 16.29² =
  17. 17.51² =
  18. 18.41² =
  19. 19.45² =
  20. 20.42² =
  21. 21.71² =
  22. 22.32² =
  23. 23.16² =
  24. 24.22² =
  25. 25.64² =
  26. 26.41² =
  27. 27.81² =
  28. 28.98² =
  29. 29.87² =
  30. 30.77² =
  31. 31.77² =
  32. 32.88² =
  33. 33.82² =
  34. 34.65² =
  35. 35.34² =
  36. 36.21² =
  37. 37.38² =
  38. 38.39² =
  39. 39.47² =
  40. 40.31² =

Answer key

  1. 1369
  2. 144
  3. 2401
  4. 2601
  5. 4761
  6. 7396
  7. 196
  8. 1296
  9. 4489
  10. 2025
  11. 6724
  12. 2116
  13. 1296
  14. 1681
  15. 841
  16. 841
  17. 2601
  18. 1681
  19. 2025
  20. 1764
  21. 5041
  22. 1024
  23. 256
  24. 484
  25. 4096
  26. 1681
  27. 6561
  28. 9604
  29. 7569
  30. 5929
  31. 5929
  32. 7744
  33. 6724
  34. 4225
  35. 1156
  36. 441
  37. 1444
  38. 1521
  39. 2209
  40. 961

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