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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 824 · 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. 1.81² =
  2. 2.39² =
  3. 3.46² =
  4. 4.91² =
  5. 5.97² =
  6. 6.96² =
  7. 7.61² =
  8. 8.58² =
  9. 9.61² =
  10. 10.41² =
  11. 11.61² =
  12. 12.65² =
  13. 13.69² =
  14. 14.72² =
  15. 15.59² =
  16. 16.36² =
  17. 17.16² =
  18. 18.93² =
  19. 19.22² =
  20. 20.42² =
  21. 21.63² =
  22. 22.79² =
  23. 23.96² =
  24. 24.15² =
  25. 25.91² =
  26. 26.21² =
  27. 27.23² =
  28. 28.77² =
  29. 29.99² =
  30. 30.22² =
  31. 31.74² =
  32. 32.66² =
  33. 33.51² =
  34. 34.77² =
  35. 35.45² =
  36. 36.69² =
  37. 37.97² =
  38. 38.46² =
  39. 39.96² =
  40. 40.61² =

Answer key

  1. 6561
  2. 1521
  3. 2116
  4. 8281
  5. 9409
  6. 9216
  7. 3721
  8. 3364
  9. 3721
  10. 1681
  11. 3721
  12. 4225
  13. 4761
  14. 5184
  15. 3481
  16. 1296
  17. 256
  18. 8649
  19. 484
  20. 1764
  21. 3969
  22. 6241
  23. 9216
  24. 225
  25. 8281
  26. 441
  27. 529
  28. 5929
  29. 9801
  30. 484
  31. 5476
  32. 4356
  33. 2601
  34. 5929
  35. 2025
  36. 4761
  37. 9409
  38. 2116
  39. 9216
  40. 3721

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