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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 300 · 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. 1.43² =
  2. 2.93² =
  3. 3.21² =
  4. 4.55² =
  5. 5.19² =
  6. 6.43² =
  7. 7.19² =
  8. 8.18² =
  9. 9.28² =
  10. 10.76² =
  11. 11.44² =
  12. 12.12² =
  13. 13.52² =
  14. 14.19² =
  15. 15.86² =
  16. 16.53² =
  17. 17.89² =
  18. 18.11² =
  19. 19.51² =
  20. 20.44² =
  21. 21.21² =
  22. 22.11² =
  23. 23.95² =
  24. 24.81² =
  25. 25.24² =
  26. 26.68² =
  27. 27.91² =
  28. 28.25² =
  29. 29.94² =
  30. 30.68² =
  31. 31.22² =
  32. 32.11² =
  33. 33.37² =
  34. 34.34² =
  35. 35.19² =
  36. 36.36² =
  37. 37.12² =
  38. 38.35² =
  39. 39.51² =
  40. 40.53² =

Answer key

  1. 1849
  2. 8649
  3. 441
  4. 3025
  5. 361
  6. 1849
  7. 361
  8. 324
  9. 784
  10. 5776
  11. 1936
  12. 144
  13. 2704
  14. 361
  15. 7396
  16. 2809
  17. 7921
  18. 121
  19. 2601
  20. 1936
  21. 441
  22. 121
  23. 9025
  24. 6561
  25. 576
  26. 4624
  27. 8281
  28. 625
  29. 8836
  30. 4624
  31. 484
  32. 121
  33. 1369
  34. 1156
  35. 361
  36. 1296
  37. 144
  38. 1225
  39. 2601
  40. 2809

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