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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 910 · 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. 1.13² =
  2. 2.37² =
  3. 3.68² =
  4. 4.31² =
  5. 5.11² =
  6. 6.39² =
  7. 7.21² =
  8. 8.67² =
  9. 9.23² =
  10. 10.44² =
  11. 11.32² =
  12. 12.85² =
  13. 13.99² =
  14. 14.91² =
  15. 15.57² =
  16. 16.61² =
  17. 17.15² =
  18. 18.16² =
  19. 19.13² =
  20. 20.16² =
  21. 21.81² =
  22. 22.91² =
  23. 23.81² =
  24. 24.69² =
  25. 25.35² =
  26. 26.36² =
  27. 27.18² =
  28. 28.12² =
  29. 29.28² =
  30. 30.15² =
  31. 31.28² =
  32. 32.72² =
  33. 33.54² =
  34. 34.32² =
  35. 35.73² =
  36. 36.18² =
  37. 37.15² =
  38. 38.17² =
  39. 39.41² =
  40. 40.34² =

Answer key

  1. 169
  2. 1369
  3. 4624
  4. 961
  5. 121
  6. 1521
  7. 441
  8. 4489
  9. 529
  10. 1936
  11. 1024
  12. 7225
  13. 9801
  14. 8281
  15. 3249
  16. 3721
  17. 225
  18. 256
  19. 169
  20. 256
  21. 6561
  22. 8281
  23. 6561
  24. 4761
  25. 1225
  26. 1296
  27. 324
  28. 144
  29. 784
  30. 225
  31. 784
  32. 5184
  33. 2916
  34. 1024
  35. 5329
  36. 324
  37. 225
  38. 289
  39. 1681
  40. 1156

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