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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 665 · 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. 1.63² =
  2. 2.41² =
  3. 3.61² =
  4. 4.59² =
  5. 5.45² =
  6. 6.32² =
  7. 7.23² =
  8. 8.94² =
  9. 9.49² =
  10. 10.54² =
  11. 11.48² =
  12. 12.62² =
  13. 13.44² =
  14. 14.21² =
  15. 15.75² =
  16. 16.25² =
  17. 17.55² =
  18. 18.79² =
  19. 19.36² =
  20. 20.38² =
  21. 21.66² =
  22. 22.21² =
  23. 23.61² =
  24. 24.31² =
  25. 25.93² =
  26. 26.88² =
  27. 27.31² =
  28. 28.17² =
  29. 29.55² =
  30. 30.62² =
  31. 31.78² =
  32. 32.16² =
  33. 33.45² =
  34. 34.15² =
  35. 35.31² =
  36. 36.96² =
  37. 37.17² =
  38. 38.56² =
  39. 39.51² =
  40. 40.22² =

Answer key

  1. 3969
  2. 1681
  3. 3721
  4. 3481
  5. 2025
  6. 1024
  7. 529
  8. 8836
  9. 2401
  10. 2916
  11. 2304
  12. 3844
  13. 1936
  14. 441
  15. 5625
  16. 625
  17. 3025
  18. 6241
  19. 1296
  20. 1444
  21. 4356
  22. 441
  23. 3721
  24. 961
  25. 8649
  26. 7744
  27. 961
  28. 289
  29. 3025
  30. 3844
  31. 6084
  32. 256
  33. 2025
  34. 225
  35. 961
  36. 9216
  37. 289
  38. 3136
  39. 2601
  40. 484

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