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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 588 · 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. 1.99² =
  2. 2.45² =
  3. 3.51² =
  4. 4.37² =
  5. 5.13² =
  6. 6.85² =
  7. 7.59² =
  8. 8.36² =
  9. 9.62² =
  10. 10.13² =
  11. 11.57² =
  12. 12.95² =
  13. 13.43² =
  14. 14.88² =
  15. 15.43² =
  16. 16.45² =
  17. 17.29² =
  18. 18.23² =
  19. 19.45² =
  20. 20.26² =
  21. 21.77² =
  22. 22.68² =
  23. 23.13² =
  24. 24.27² =
  25. 25.41² =
  26. 26.11² =
  27. 27.25² =
  28. 28.97² =
  29. 29.91² =
  30. 30.36² =
  31. 31.22² =
  32. 32.11² =
  33. 33.82² =
  34. 34.44² =
  35. 35.27² =
  36. 36.83² =
  37. 37.42² =
  38. 38.88² =
  39. 39.31² =
  40. 40.12² =

Answer key

  1. 9801
  2. 2025
  3. 2601
  4. 1369
  5. 169
  6. 7225
  7. 3481
  8. 1296
  9. 3844
  10. 169
  11. 3249
  12. 9025
  13. 1849
  14. 7744
  15. 1849
  16. 2025
  17. 841
  18. 529
  19. 2025
  20. 676
  21. 5929
  22. 4624
  23. 169
  24. 729
  25. 1681
  26. 121
  27. 625
  28. 9409
  29. 8281
  30. 1296
  31. 484
  32. 121
  33. 6724
  34. 1936
  35. 729
  36. 6889
  37. 1764
  38. 7744
  39. 961
  40. 144

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