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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 10 · 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. 1.68² =
  2. 2.22² =
  3. 3.69² =
  4. 4.36² =
  5. 5.94² =
  6. 6.41² =
  7. 7.29² =
  8. 8.62² =
  9. 9.47² =
  10. 10.92² =
  11. 11.95² =
  12. 12.31² =
  13. 13.37² =
  14. 14.36² =
  15. 15.36² =
  16. 16.21² =
  17. 17.71² =
  18. 18.89² =
  19. 19.22² =
  20. 20.65² =
  21. 21.53² =
  22. 22.21² =
  23. 23.12² =
  24. 24.34² =
  25. 25.56² =
  26. 26.73² =
  27. 27.27² =
  28. 28.21² =
  29. 29.13² =
  30. 30.89² =
  31. 31.74² =
  32. 32.45² =
  33. 33.96² =
  34. 34.61² =
  35. 35.57² =
  36. 36.43² =
  37. 37.45² =
  38. 38.14² =
  39. 39.64² =
  40. 40.11² =

Answer key

  1. 4624
  2. 484
  3. 4761
  4. 1296
  5. 8836
  6. 1681
  7. 841
  8. 3844
  9. 2209
  10. 8464
  11. 9025
  12. 961
  13. 1369
  14. 1296
  15. 1296
  16. 441
  17. 5041
  18. 7921
  19. 484
  20. 4225
  21. 2809
  22. 441
  23. 144
  24. 1156
  25. 3136
  26. 5329
  27. 729
  28. 441
  29. 169
  30. 7921
  31. 5476
  32. 2025
  33. 9216
  34. 3721
  35. 3249
  36. 1849
  37. 2025
  38. 196
  39. 4096
  40. 121

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