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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 860 · 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. 1.46² =
  2. 2.87² =
  3. 3.99² =
  4. 4.42² =
  5. 5.39² =
  6. 6.35² =
  7. 7.74² =
  8. 8.39² =
  9. 9.18² =
  10. 10.13² =
  11. 11.55² =
  12. 12.94² =
  13. 13.34² =
  14. 14.23² =
  15. 15.91² =
  16. 16.31² =
  17. 17.76² =
  18. 18.28² =
  19. 19.92² =
  20. 20.28² =
  21. 21.57² =
  22. 22.28² =
  23. 23.41² =
  24. 24.64² =
  25. 25.89² =
  26. 26.31² =
  27. 27.35² =
  28. 28.18² =
  29. 29.27² =
  30. 30.51² =
  31. 31.25² =
  32. 32.12² =
  33. 33.13² =
  34. 34.98² =
  35. 35.65² =
  36. 36.31² =
  37. 37.39² =
  38. 38.92² =
  39. 39.91² =
  40. 40.73² =

Answer key

  1. 2116
  2. 7569
  3. 9801
  4. 1764
  5. 1521
  6. 1225
  7. 5476
  8. 1521
  9. 324
  10. 169
  11. 3025
  12. 8836
  13. 1156
  14. 529
  15. 8281
  16. 961
  17. 5776
  18. 784
  19. 8464
  20. 784
  21. 3249
  22. 784
  23. 1681
  24. 4096
  25. 7921
  26. 961
  27. 1225
  28. 324
  29. 729
  30. 2601
  31. 625
  32. 144
  33. 169
  34. 9604
  35. 4225
  36. 961
  37. 1521
  38. 8464
  39. 8281
  40. 5329

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