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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 554 · 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. 2.27² =
  3. 3.21² =
  4. 4.64² =
  5. 5.21² =
  6. 6.87² =
  7. 7.12² =
  8. 8.38² =
  9. 9.97² =
  10. 10.63² =
  11. 11.92² =
  12. 12.73² =
  13. 13.14² =
  14. 14.58² =
  15. 15.88² =
  16. 16.22² =
  17. 17.66² =
  18. 18.76² =
  19. 19.36² =
  20. 20.51² =
  21. 21.81² =
  22. 22.54² =
  23. 23.97² =
  24. 24.13² =
  25. 25.95² =
  26. 26.82² =
  27. 27.28² =
  28. 28.34² =
  29. 29.37² =
  30. 30.16² =
  31. 31.29² =
  32. 32.86² =
  33. 33.99² =
  34. 34.84² =
  35. 35.31² =
  36. 36.58² =
  37. 37.58² =
  38. 38.54² =
  39. 39.21² =
  40. 40.76² =

Answer key

  1. 324
  2. 729
  3. 441
  4. 4096
  5. 441
  6. 7569
  7. 144
  8. 1444
  9. 9409
  10. 3969
  11. 8464
  12. 5329
  13. 196
  14. 3364
  15. 7744
  16. 484
  17. 4356
  18. 5776
  19. 1296
  20. 2601
  21. 6561
  22. 2916
  23. 9409
  24. 169
  25. 9025
  26. 6724
  27. 784
  28. 1156
  29. 1369
  30. 256
  31. 841
  32. 7396
  33. 9801
  34. 7056
  35. 961
  36. 3364
  37. 3364
  38. 2916
  39. 441
  40. 5776

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