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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 382 · 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. 1.11² =
  2. 2.31² =
  3. 3.84² =
  4. 4.42² =
  5. 5.43² =
  6. 6.35² =
  7. 7.61² =
  8. 8.56² =
  9. 9.29² =
  10. 10.75² =
  11. 11.18² =
  12. 12.35² =
  13. 13.37² =
  14. 14.75² =
  15. 15.31² =
  16. 16.29² =
  17. 17.21² =
  18. 18.91² =
  19. 19.51² =
  20. 20.76² =
  21. 21.72² =
  22. 22.16² =
  23. 23.95² =
  24. 24.31² =
  25. 25.15² =
  26. 26.22² =
  27. 27.22² =
  28. 28.42² =
  29. 29.39² =
  30. 30.11² =
  31. 31.52² =
  32. 32.74² =
  33. 33.99² =
  34. 34.79² =
  35. 35.63² =
  36. 36.41² =
  37. 37.76² =
  38. 38.36² =
  39. 39.54² =
  40. 40.29² =

Answer key

  1. 121
  2. 961
  3. 7056
  4. 1764
  5. 1849
  6. 1225
  7. 3721
  8. 3136
  9. 841
  10. 5625
  11. 324
  12. 1225
  13. 1369
  14. 5625
  15. 961
  16. 841
  17. 441
  18. 8281
  19. 2601
  20. 5776
  21. 5184
  22. 256
  23. 9025
  24. 961
  25. 225
  26. 484
  27. 484
  28. 1764
  29. 1521
  30. 121
  31. 2704
  32. 5476
  33. 9801
  34. 6241
  35. 3969
  36. 1681
  37. 5776
  38. 1296
  39. 2916
  40. 841

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