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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 277 · 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. 2.71² =
  3. 3.34² =
  4. 4.17² =
  5. 5.86² =
  6. 6.19² =
  7. 7.74² =
  8. 8.31² =
  9. 9.94² =
  10. 10.22² =
  11. 11.14² =
  12. 12.71² =
  13. 13.99² =
  14. 14.93² =
  15. 15.13² =
  16. 16.78² =
  17. 17.71² =
  18. 18.44² =
  19. 19.62² =
  20. 20.21² =
  21. 21.41² =
  22. 22.21² =
  23. 23.17² =
  24. 24.52² =
  25. 25.74² =
  26. 26.57² =
  27. 27.19² =
  28. 28.27² =
  29. 29.62² =
  30. 30.52² =
  31. 31.22² =
  32. 32.99² =
  33. 33.15² =
  34. 34.31² =
  35. 35.51² =
  36. 36.42² =
  37. 37.27² =
  38. 38.61² =
  39. 39.77² =
  40. 40.81² =

Answer key

  1. 1849
  2. 5041
  3. 1156
  4. 289
  5. 7396
  6. 361
  7. 5476
  8. 961
  9. 8836
  10. 484
  11. 196
  12. 5041
  13. 9801
  14. 8649
  15. 169
  16. 6084
  17. 5041
  18. 1936
  19. 3844
  20. 441
  21. 1681
  22. 441
  23. 289
  24. 2704
  25. 5476
  26. 3249
  27. 361
  28. 729
  29. 3844
  30. 2704
  31. 484
  32. 9801
  33. 225
  34. 961
  35. 2601
  36. 1764
  37. 729
  38. 3721
  39. 5929
  40. 6561

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