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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 855 · 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. 1.91² =
  2. 2.49² =
  3. 3.22² =
  4. 4.94² =
  5. 5.66² =
  6. 6.88² =
  7. 7.17² =
  8. 8.36² =
  9. 9.39² =
  10. 10.17² =
  11. 11.73² =
  12. 12.21² =
  13. 13.66² =
  14. 14.62² =
  15. 15.51² =
  16. 16.88² =
  17. 17.52² =
  18. 18.26² =
  19. 19.27² =
  20. 20.74² =
  21. 21.37² =
  22. 22.38² =
  23. 23.59² =
  24. 24.34² =
  25. 25.41² =
  26. 26.43² =
  27. 27.72² =
  28. 28.54² =
  29. 29.84² =
  30. 30.25² =
  31. 31.34² =
  32. 32.31² =
  33. 33.13² =
  34. 34.41² =
  35. 35.42² =
  36. 36.75² =
  37. 37.14² =
  38. 38.24² =
  39. 39.42² =
  40. 40.31² =

Answer key

  1. 8281
  2. 2401
  3. 484
  4. 8836
  5. 4356
  6. 7744
  7. 289
  8. 1296
  9. 1521
  10. 289
  11. 5329
  12. 441
  13. 4356
  14. 3844
  15. 2601
  16. 7744
  17. 2704
  18. 676
  19. 729
  20. 5476
  21. 1369
  22. 1444
  23. 3481
  24. 1156
  25. 1681
  26. 1849
  27. 5184
  28. 2916
  29. 7056
  30. 625
  31. 1156
  32. 961
  33. 169
  34. 1681
  35. 1764
  36. 5625
  37. 196
  38. 576
  39. 1764
  40. 961

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