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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 544 · 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. 1.31² =
  2. 2.31² =
  3. 3.35² =
  4. 4.13² =
  5. 5.82² =
  6. 6.31² =
  7. 7.48² =
  8. 8.97² =
  9. 9.47² =
  10. 10.82² =
  11. 11.29² =
  12. 12.31² =
  13. 13.35² =
  14. 14.43² =
  15. 15.12² =
  16. 16.47² =
  17. 17.34² =
  18. 18.19² =
  19. 19.31² =
  20. 20.71² =
  21. 21.87² =
  22. 22.15² =
  23. 23.13² =
  24. 24.74² =
  25. 25.82² =
  26. 26.17² =
  27. 27.61² =
  28. 28.51² =
  29. 29.63² =
  30. 30.23² =
  31. 31.25² =
  32. 32.32² =
  33. 33.28² =
  34. 34.28² =
  35. 35.96² =
  36. 36.71² =
  37. 37.21² =
  38. 38.58² =
  39. 39.25² =
  40. 40.26² =

Answer key

  1. 961
  2. 961
  3. 1225
  4. 169
  5. 6724
  6. 961
  7. 2304
  8. 9409
  9. 2209
  10. 6724
  11. 841
  12. 961
  13. 1225
  14. 1849
  15. 144
  16. 2209
  17. 1156
  18. 361
  19. 961
  20. 5041
  21. 7569
  22. 225
  23. 169
  24. 5476
  25. 6724
  26. 289
  27. 3721
  28. 2601
  29. 3969
  30. 529
  31. 625
  32. 1024
  33. 784
  34. 784
  35. 9216
  36. 5041
  37. 441
  38. 3364
  39. 625
  40. 676

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