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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 906 · 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. 1.14² =
  2. 2.11² =
  3. 3.84² =
  4. 4.45² =
  5. 5.13² =
  6. 6.51² =
  7. 7.93² =
  8. 8.21² =
  9. 9.91² =
  10. 10.47² =
  11. 11.21² =
  12. 12.46² =
  13. 13.14² =
  14. 14.28² =
  15. 15.58² =
  16. 16.51² =
  17. 17.11² =
  18. 18.19² =
  19. 19.17² =
  20. 20.58² =
  21. 21.21² =
  22. 22.98² =
  23. 23.28² =
  24. 24.31² =
  25. 25.88² =
  26. 26.21² =
  27. 27.45² =
  28. 28.97² =
  29. 29.31² =
  30. 30.45² =
  31. 31.29² =
  32. 32.56² =
  33. 33.85² =
  34. 34.87² =
  35. 35.86² =
  36. 36.84² =
  37. 37.44² =
  38. 38.46² =
  39. 39.82² =
  40. 40.14² =

Answer key

  1. 196
  2. 121
  3. 7056
  4. 2025
  5. 169
  6. 2601
  7. 8649
  8. 441
  9. 8281
  10. 2209
  11. 441
  12. 2116
  13. 196
  14. 784
  15. 3364
  16. 2601
  17. 121
  18. 361
  19. 289
  20. 3364
  21. 441
  22. 9604
  23. 784
  24. 961
  25. 7744
  26. 441
  27. 2025
  28. 9409
  29. 961
  30. 2025
  31. 841
  32. 3136
  33. 7225
  34. 7569
  35. 7396
  36. 7056
  37. 1936
  38. 2116
  39. 6724
  40. 196

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