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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 482 · 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. 1.64² =
  2. 2.34² =
  3. 3.99² =
  4. 4.82² =
  5. 5.25² =
  6. 6.29² =
  7. 7.16² =
  8. 8.69² =
  9. 9.79² =
  10. 10.94² =
  11. 11.59² =
  12. 12.59² =
  13. 13.23² =
  14. 14.34² =
  15. 15.73² =
  16. 16.86² =
  17. 17.21² =
  18. 18.49² =
  19. 19.91² =
  20. 20.44² =
  21. 21.14² =
  22. 22.57² =
  23. 23.31² =
  24. 24.75² =
  25. 25.81² =
  26. 26.64² =
  27. 27.51² =
  28. 28.89² =
  29. 29.15² =
  30. 30.82² =
  31. 31.62² =
  32. 32.79² =
  33. 33.26² =
  34. 34.92² =
  35. 35.13² =
  36. 36.93² =
  37. 37.59² =
  38. 38.81² =
  39. 39.49² =
  40. 40.12² =

Answer key

  1. 4096
  2. 1156
  3. 9801
  4. 6724
  5. 625
  6. 841
  7. 256
  8. 4761
  9. 6241
  10. 8836
  11. 3481
  12. 3481
  13. 529
  14. 1156
  15. 5329
  16. 7396
  17. 441
  18. 2401
  19. 8281
  20. 1936
  21. 196
  22. 3249
  23. 961
  24. 5625
  25. 6561
  26. 4096
  27. 2601
  28. 7921
  29. 225
  30. 6724
  31. 3844
  32. 6241
  33. 676
  34. 8464
  35. 169
  36. 8649
  37. 3481
  38. 6561
  39. 2401
  40. 144

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