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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 260 · 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. 1.92² =
  2. 2.49² =
  3. 3.25² =
  4. 4.92² =
  5. 5.97² =
  6. 6.97² =
  7. 7.98² =
  8. 8.29² =
  9. 9.54² =
  10. 10.36² =
  11. 11.42² =
  12. 12.42² =
  13. 13.55² =
  14. 14.95² =
  15. 15.26² =
  16. 16.24² =
  17. 17.75² =
  18. 18.66² =
  19. 19.84² =
  20. 20.38² =
  21. 21.31² =
  22. 22.89² =
  23. 23.92² =
  24. 24.49² =
  25. 25.14² =
  26. 26.24² =
  27. 27.36² =
  28. 28.82² =
  29. 29.38² =
  30. 30.44² =
  31. 31.77² =
  32. 32.83² =
  33. 33.87² =
  34. 34.84² =
  35. 35.22² =
  36. 36.25² =
  37. 37.53² =
  38. 38.11² =
  39. 39.84² =
  40. 40.27² =

Answer key

  1. 8464
  2. 2401
  3. 625
  4. 8464
  5. 9409
  6. 9409
  7. 9604
  8. 841
  9. 2916
  10. 1296
  11. 1764
  12. 1764
  13. 3025
  14. 9025
  15. 676
  16. 576
  17. 5625
  18. 4356
  19. 7056
  20. 1444
  21. 961
  22. 7921
  23. 8464
  24. 2401
  25. 196
  26. 576
  27. 1296
  28. 6724
  29. 1444
  30. 1936
  31. 5929
  32. 6889
  33. 7569
  34. 7056
  35. 484
  36. 625
  37. 2809
  38. 121
  39. 7056
  40. 729

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