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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 812 · 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. 1.43² =
  2. 2.64² =
  3. 3.17² =
  4. 4.71² =
  5. 5.56² =
  6. 6.86² =
  7. 7.58² =
  8. 8.71² =
  9. 9.22² =
  10. 10.85² =
  11. 11.99² =
  12. 12.48² =
  13. 13.95² =
  14. 14.32² =
  15. 15.54² =
  16. 16.71² =
  17. 17.99² =
  18. 18.88² =
  19. 19.21² =
  20. 20.34² =
  21. 21.41² =
  22. 22.33² =
  23. 23.65² =
  24. 24.31² =
  25. 25.21² =
  26. 26.21² =
  27. 27.33² =
  28. 28.45² =
  29. 29.93² =
  30. 30.46² =
  31. 31.41² =
  32. 32.93² =
  33. 33.17² =
  34. 34.92² =
  35. 35.48² =
  36. 36.31² =
  37. 37.61² =
  38. 38.93² =
  39. 39.36² =
  40. 40.59² =

Answer key

  1. 1849
  2. 4096
  3. 289
  4. 5041
  5. 3136
  6. 7396
  7. 3364
  8. 5041
  9. 484
  10. 7225
  11. 9801
  12. 2304
  13. 9025
  14. 1024
  15. 2916
  16. 5041
  17. 9801
  18. 7744
  19. 441
  20. 1156
  21. 1681
  22. 1089
  23. 4225
  24. 961
  25. 441
  26. 441
  27. 1089
  28. 2025
  29. 8649
  30. 2116
  31. 1681
  32. 8649
  33. 289
  34. 8464
  35. 2304
  36. 961
  37. 3721
  38. 8649
  39. 1296
  40. 3481

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