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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 436 · 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. 2.28² =
  3. 3.11² =
  4. 4.92² =
  5. 5.28² =
  6. 6.62² =
  7. 7.89² =
  8. 8.48² =
  9. 9.61² =
  10. 10.71² =
  11. 11.99² =
  12. 12.83² =
  13. 13.77² =
  14. 14.65² =
  15. 15.18² =
  16. 16.75² =
  17. 17.83² =
  18. 18.61² =
  19. 19.65² =
  20. 20.41² =
  21. 21.21² =
  22. 22.76² =
  23. 23.27² =
  24. 24.57² =
  25. 25.89² =
  26. 26.14² =
  27. 27.13² =
  28. 28.83² =
  29. 29.38² =
  30. 30.76² =
  31. 31.34² =
  32. 32.18² =
  33. 33.35² =
  34. 34.63² =
  35. 35.23² =
  36. 36.23² =
  37. 37.97² =
  38. 38.29² =
  39. 39.26² =
  40. 40.86² =

Answer key

  1. 961
  2. 784
  3. 121
  4. 8464
  5. 784
  6. 3844
  7. 7921
  8. 2304
  9. 3721
  10. 5041
  11. 9801
  12. 6889
  13. 5929
  14. 4225
  15. 324
  16. 5625
  17. 6889
  18. 3721
  19. 4225
  20. 1681
  21. 441
  22. 5776
  23. 729
  24. 3249
  25. 7921
  26. 196
  27. 169
  28. 6889
  29. 1444
  30. 5776
  31. 1156
  32. 324
  33. 1225
  34. 3969
  35. 529
  36. 529
  37. 9409
  38. 841
  39. 676
  40. 7396

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