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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 184 · 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. 1.19² =
  2. 2.62² =
  3. 3.53² =
  4. 4.32² =
  5. 5.23² =
  6. 6.17² =
  7. 7.27² =
  8. 8.81² =
  9. 9.39² =
  10. 10.83² =
  11. 11.46² =
  12. 12.72² =
  13. 13.38² =
  14. 14.56² =
  15. 15.12² =
  16. 16.14² =
  17. 17.34² =
  18. 18.61² =
  19. 19.57² =
  20. 20.17² =
  21. 21.88² =
  22. 22.15² =
  23. 23.21² =
  24. 24.61² =
  25. 25.71² =
  26. 26.71² =
  27. 27.65² =
  28. 28.13² =
  29. 29.98² =
  30. 30.44² =
  31. 31.99² =
  32. 32.56² =
  33. 33.44² =
  34. 34.98² =
  35. 35.18² =
  36. 36.61² =
  37. 37.31² =
  38. 38.94² =
  39. 39.18² =
  40. 40.67² =

Answer key

  1. 361
  2. 3844
  3. 2809
  4. 1024
  5. 529
  6. 289
  7. 729
  8. 6561
  9. 1521
  10. 6889
  11. 2116
  12. 5184
  13. 1444
  14. 3136
  15. 144
  16. 196
  17. 1156
  18. 3721
  19. 3249
  20. 289
  21. 7744
  22. 225
  23. 441
  24. 3721
  25. 5041
  26. 5041
  27. 4225
  28. 169
  29. 9604
  30. 1936
  31. 9801
  32. 3136
  33. 1936
  34. 9604
  35. 324
  36. 3721
  37. 961
  38. 8836
  39. 324
  40. 4489

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