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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 519 · 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. 1.87² =
  2. 2.98² =
  3. 3.31² =
  4. 4.82² =
  5. 5.16² =
  6. 6.57² =
  7. 7.33² =
  8. 8.94² =
  9. 9.78² =
  10. 10.77² =
  11. 11.83² =
  12. 12.16² =
  13. 13.15² =
  14. 14.92² =
  15. 15.59² =
  16. 16.23² =
  17. 17.36² =
  18. 18.59² =
  19. 19.42² =
  20. 20.61² =
  21. 21.39² =
  22. 22.83² =
  23. 23.21² =
  24. 24.61² =
  25. 25.91² =
  26. 26.43² =
  27. 27.65² =
  28. 28.59² =
  29. 29.23² =
  30. 30.55² =
  31. 31.62² =
  32. 32.18² =
  33. 33.46² =
  34. 34.64² =
  35. 35.96² =
  36. 36.65² =
  37. 37.18² =
  38. 38.83² =
  39. 39.28² =
  40. 40.28² =

Answer key

  1. 7569
  2. 9604
  3. 961
  4. 6724
  5. 256
  6. 3249
  7. 1089
  8. 8836
  9. 6084
  10. 5929
  11. 6889
  12. 256
  13. 225
  14. 8464
  15. 3481
  16. 529
  17. 1296
  18. 3481
  19. 1764
  20. 3721
  21. 1521
  22. 6889
  23. 441
  24. 3721
  25. 8281
  26. 1849
  27. 4225
  28. 3481
  29. 529
  30. 3025
  31. 3844
  32. 324
  33. 2116
  34. 4096
  35. 9216
  36. 4225
  37. 324
  38. 6889
  39. 784
  40. 784

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