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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 577 · 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. 1.23² =
  2. 2.27² =
  3. 3.92² =
  4. 4.57² =
  5. 5.47² =
  6. 6.91² =
  7. 7.53² =
  8. 8.83² =
  9. 9.78² =
  10. 10.56² =
  11. 11.93² =
  12. 12.66² =
  13. 13.88² =
  14. 14.11² =
  15. 15.68² =
  16. 16.31² =
  17. 17.46² =
  18. 18.72² =
  19. 19.57² =
  20. 20.36² =
  21. 21.91² =
  22. 22.37² =
  23. 23.53² =
  24. 24.41² =
  25. 25.12² =
  26. 26.65² =
  27. 27.29² =
  28. 28.41² =
  29. 29.56² =
  30. 30.98² =
  31. 31.12² =
  32. 32.34² =
  33. 33.14² =
  34. 34.68² =
  35. 35.48² =
  36. 36.28² =
  37. 37.77² =
  38. 38.46² =
  39. 39.74² =
  40. 40.65² =

Answer key

  1. 529
  2. 729
  3. 8464
  4. 3249
  5. 2209
  6. 8281
  7. 2809
  8. 6889
  9. 6084
  10. 3136
  11. 8649
  12. 4356
  13. 7744
  14. 121
  15. 4624
  16. 961
  17. 2116
  18. 5184
  19. 3249
  20. 1296
  21. 8281
  22. 1369
  23. 2809
  24. 1681
  25. 144
  26. 4225
  27. 841
  28. 1681
  29. 3136
  30. 9604
  31. 144
  32. 1156
  33. 196
  34. 4624
  35. 2304
  36. 784
  37. 5929
  38. 2116
  39. 5476
  40. 4225

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