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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 217 · 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. 2.31² =
  3. 3.47² =
  4. 4.36² =
  5. 5.61² =
  6. 6.29² =
  7. 7.76² =
  8. 8.37² =
  9. 9.13² =
  10. 10.61² =
  11. 11.21² =
  12. 12.76² =
  13. 13.31² =
  14. 14.41² =
  15. 15.77² =
  16. 16.62² =
  17. 17.19² =
  18. 18.32² =
  19. 19.77² =
  20. 20.19² =
  21. 21.62² =
  22. 22.51² =
  23. 23.39² =
  24. 24.95² =
  25. 25.83² =
  26. 26.78² =
  27. 27.85² =
  28. 28.51² =
  29. 29.51² =
  30. 30.13² =
  31. 31.87² =
  32. 32.63² =
  33. 33.81² =
  34. 34.35² =
  35. 35.68² =
  36. 36.59² =
  37. 37.77² =
  38. 38.36² =
  39. 39.13² =
  40. 40.25² =

Answer key

  1. 324
  2. 961
  3. 2209
  4. 1296
  5. 3721
  6. 841
  7. 5776
  8. 1369
  9. 169
  10. 3721
  11. 441
  12. 5776
  13. 961
  14. 1681
  15. 5929
  16. 3844
  17. 361
  18. 1024
  19. 5929
  20. 361
  21. 3844
  22. 2601
  23. 1521
  24. 9025
  25. 6889
  26. 6084
  27. 7225
  28. 2601
  29. 2601
  30. 169
  31. 7569
  32. 3969
  33. 6561
  34. 1225
  35. 4624
  36. 3481
  37. 5929
  38. 1296
  39. 169
  40. 625

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