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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 14 · 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. 1.77² =
  2. 2.85² =
  3. 3.87² =
  4. 4.94² =
  5. 5.34² =
  6. 6.39² =
  7. 7.21² =
  8. 8.47² =
  9. 9.21² =
  10. 10.75² =
  11. 11.35² =
  12. 12.24² =
  13. 13.32² =
  14. 14.25² =
  15. 15.23² =
  16. 16.28² =
  17. 17.53² =
  18. 18.45² =
  19. 19.56² =
  20. 20.87² =
  21. 21.21² =
  22. 22.45² =
  23. 23.55² =
  24. 24.18² =
  25. 25.97² =
  26. 26.71² =
  27. 27.89² =
  28. 28.38² =
  29. 29.34² =
  30. 30.71² =
  31. 31.14² =
  32. 32.71² =
  33. 33.47² =
  34. 34.54² =
  35. 35.55² =
  36. 36.26² =
  37. 37.53² =
  38. 38.35² =
  39. 39.59² =
  40. 40.55² =

Answer key

  1. 5929
  2. 7225
  3. 7569
  4. 8836
  5. 1156
  6. 1521
  7. 441
  8. 2209
  9. 441
  10. 5625
  11. 1225
  12. 576
  13. 1024
  14. 625
  15. 529
  16. 784
  17. 2809
  18. 2025
  19. 3136
  20. 7569
  21. 441
  22. 2025
  23. 3025
  24. 324
  25. 9409
  26. 5041
  27. 7921
  28. 1444
  29. 1156
  30. 5041
  31. 196
  32. 5041
  33. 2209
  34. 2916
  35. 3025
  36. 676
  37. 2809
  38. 1225
  39. 3481
  40. 3025

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