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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 799 · 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. 1.56² =
  2. 2.28² =
  3. 3.97² =
  4. 4.81² =
  5. 5.15² =
  6. 6.82² =
  7. 7.97² =
  8. 8.68² =
  9. 9.85² =
  10. 10.54² =
  11. 11.21² =
  12. 12.43² =
  13. 13.23² =
  14. 14.38² =
  15. 15.93² =
  16. 16.55² =
  17. 17.17² =
  18. 18.94² =
  19. 19.91² =
  20. 20.38² =
  21. 21.47² =
  22. 22.29² =
  23. 23.95² =
  24. 24.26² =
  25. 25.97² =
  26. 26.61² =
  27. 27.14² =
  28. 28.22² =
  29. 29.73² =
  30. 30.58² =
  31. 31.71² =
  32. 32.18² =
  33. 33.27² =
  34. 34.53² =
  35. 35.57² =
  36. 36.49² =
  37. 37.12² =
  38. 38.34² =
  39. 39.31² =
  40. 40.15² =

Answer key

  1. 3136
  2. 784
  3. 9409
  4. 6561
  5. 225
  6. 6724
  7. 9409
  8. 4624
  9. 7225
  10. 2916
  11. 441
  12. 1849
  13. 529
  14. 1444
  15. 8649
  16. 3025
  17. 289
  18. 8836
  19. 8281
  20. 1444
  21. 2209
  22. 841
  23. 9025
  24. 676
  25. 9409
  26. 3721
  27. 196
  28. 484
  29. 5329
  30. 3364
  31. 5041
  32. 324
  33. 729
  34. 2809
  35. 3249
  36. 2401
  37. 144
  38. 1156
  39. 961
  40. 225

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