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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 398 · 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. 1.93² =
  2. 2.18² =
  3. 3.23² =
  4. 4.67² =
  5. 5.25² =
  6. 6.73² =
  7. 7.56² =
  8. 8.71² =
  9. 9.23² =
  10. 10.36² =
  11. 11.82² =
  12. 12.96² =
  13. 13.86² =
  14. 14.11² =
  15. 15.46² =
  16. 16.61² =
  17. 17.71² =
  18. 18.42² =
  19. 19.22² =
  20. 20.29² =
  21. 21.36² =
  22. 22.93² =
  23. 23.99² =
  24. 24.84² =
  25. 25.86² =
  26. 26.71² =
  27. 27.84² =
  28. 28.61² =
  29. 29.58² =
  30. 30.36² =
  31. 31.28² =
  32. 32.75² =
  33. 33.27² =
  34. 34.31² =
  35. 35.51² =
  36. 36.47² =
  37. 37.28² =
  38. 38.22² =
  39. 39.99² =
  40. 40.55² =

Answer key

  1. 8649
  2. 324
  3. 529
  4. 4489
  5. 625
  6. 5329
  7. 3136
  8. 5041
  9. 529
  10. 1296
  11. 6724
  12. 9216
  13. 7396
  14. 121
  15. 2116
  16. 3721
  17. 5041
  18. 1764
  19. 484
  20. 841
  21. 1296
  22. 8649
  23. 9801
  24. 7056
  25. 7396
  26. 5041
  27. 7056
  28. 3721
  29. 3364
  30. 1296
  31. 784
  32. 5625
  33. 729
  34. 961
  35. 2601
  36. 2209
  37. 784
  38. 484
  39. 9801
  40. 3025

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