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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 538 · 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. 1.49² =
  2. 2.24² =
  3. 3.26² =
  4. 4.88² =
  5. 5.74² =
  6. 6.51² =
  7. 7.28² =
  8. 8.26² =
  9. 9.56² =
  10. 10.29² =
  11. 11.89² =
  12. 12.43² =
  13. 13.87² =
  14. 14.91² =
  15. 15.94² =
  16. 16.59² =
  17. 17.74² =
  18. 18.53² =
  19. 19.76² =
  20. 20.87² =
  21. 21.51² =
  22. 22.58² =
  23. 23.91² =
  24. 24.92² =
  25. 25.31² =
  26. 26.32² =
  27. 27.34² =
  28. 28.71² =
  29. 29.88² =
  30. 30.33² =
  31. 31.33² =
  32. 32.14² =
  33. 33.37² =
  34. 34.93² =
  35. 35.76² =
  36. 36.27² =
  37. 37.96² =
  38. 38.52² =
  39. 39.31² =
  40. 40.34² =

Answer key

  1. 2401
  2. 576
  3. 676
  4. 7744
  5. 5476
  6. 2601
  7. 784
  8. 676
  9. 3136
  10. 841
  11. 7921
  12. 1849
  13. 7569
  14. 8281
  15. 8836
  16. 3481
  17. 5476
  18. 2809
  19. 5776
  20. 7569
  21. 2601
  22. 3364
  23. 8281
  24. 8464
  25. 961
  26. 1024
  27. 1156
  28. 5041
  29. 7744
  30. 1089
  31. 1089
  32. 196
  33. 1369
  34. 8649
  35. 5776
  36. 729
  37. 9216
  38. 2704
  39. 961
  40. 1156

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