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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 312 · 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. 1.56² =
  2. 2.11² =
  3. 3.81² =
  4. 4.58² =
  5. 5.92² =
  6. 6.56² =
  7. 7.98² =
  8. 8.71² =
  9. 9.25² =
  10. 10.44² =
  11. 11.18² =
  12. 12.23² =
  13. 13.97² =
  14. 14.56² =
  15. 15.37² =
  16. 16.28² =
  17. 17.88² =
  18. 18.28² =
  19. 19.22² =
  20. 20.41² =
  21. 21.59² =
  22. 22.71² =
  23. 23.89² =
  24. 24.47² =
  25. 25.51² =
  26. 26.95² =
  27. 27.62² =
  28. 28.83² =
  29. 29.11² =
  30. 30.19² =
  31. 31.69² =
  32. 32.31² =
  33. 33.53² =
  34. 34.17² =
  35. 35.24² =
  36. 36.84² =
  37. 37.53² =
  38. 38.34² =
  39. 39.81² =
  40. 40.89² =

Answer key

  1. 3136
  2. 121
  3. 6561
  4. 3364
  5. 8464
  6. 3136
  7. 9604
  8. 5041
  9. 625
  10. 1936
  11. 324
  12. 529
  13. 9409
  14. 3136
  15. 1369
  16. 784
  17. 7744
  18. 784
  19. 484
  20. 1681
  21. 3481
  22. 5041
  23. 7921
  24. 2209
  25. 2601
  26. 9025
  27. 3844
  28. 6889
  29. 121
  30. 361
  31. 4761
  32. 961
  33. 2809
  34. 289
  35. 576
  36. 7056
  37. 2809
  38. 1156
  39. 6561
  40. 7921

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