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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 360 · 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. 1.84² =
  2. 2.91² =
  3. 3.61² =
  4. 4.18² =
  5. 5.91² =
  6. 6.81² =
  7. 7.41² =
  8. 8.89² =
  9. 9.73² =
  10. 10.52² =
  11. 11.81² =
  12. 12.43² =
  13. 13.61² =
  14. 14.29² =
  15. 15.29² =
  16. 16.31² =
  17. 17.42² =
  18. 18.89² =
  19. 19.99² =
  20. 20.67² =
  21. 21.61² =
  22. 22.12² =
  23. 23.76² =
  24. 24.52² =
  25. 25.25² =
  26. 26.65² =
  27. 27.91² =
  28. 28.59² =
  29. 29.51² =
  30. 30.26² =
  31. 31.26² =
  32. 32.34² =
  33. 33.64² =
  34. 34.68² =
  35. 35.64² =
  36. 36.54² =
  37. 37.84² =
  38. 38.71² =
  39. 39.93² =
  40. 40.34² =

Answer key

  1. 7056
  2. 8281
  3. 3721
  4. 324
  5. 8281
  6. 6561
  7. 1681
  8. 7921
  9. 5329
  10. 2704
  11. 6561
  12. 1849
  13. 3721
  14. 841
  15. 841
  16. 961
  17. 1764
  18. 7921
  19. 9801
  20. 4489
  21. 3721
  22. 144
  23. 5776
  24. 2704
  25. 625
  26. 4225
  27. 8281
  28. 3481
  29. 2601
  30. 676
  31. 676
  32. 1156
  33. 4096
  34. 4624
  35. 4096
  36. 2916
  37. 7056
  38. 5041
  39. 8649
  40. 1156

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