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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 357 · 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. 1.25² =
  2. 2.27² =
  3. 3.75² =
  4. 4.83² =
  5. 5.29² =
  6. 6.55² =
  7. 7.46² =
  8. 8.38² =
  9. 9.97² =
  10. 10.71² =
  11. 11.71² =
  12. 12.78² =
  13. 13.13² =
  14. 14.35² =
  15. 15.41² =
  16. 16.65² =
  17. 17.34² =
  18. 18.88² =
  19. 19.63² =
  20. 20.62² =
  21. 21.86² =
  22. 22.36² =
  23. 23.76² =
  24. 24.41² =
  25. 25.55² =
  26. 26.12² =
  27. 27.14² =
  28. 28.81² =
  29. 29.28² =
  30. 30.39² =
  31. 31.71² =
  32. 32.69² =
  33. 33.21² =
  34. 34.87² =
  35. 35.14² =
  36. 36.21² =
  37. 37.51² =
  38. 38.19² =
  39. 39.31² =
  40. 40.58² =

Answer key

  1. 625
  2. 729
  3. 5625
  4. 6889
  5. 841
  6. 3025
  7. 2116
  8. 1444
  9. 9409
  10. 5041
  11. 5041
  12. 6084
  13. 169
  14. 1225
  15. 1681
  16. 4225
  17. 1156
  18. 7744
  19. 3969
  20. 3844
  21. 7396
  22. 1296
  23. 5776
  24. 1681
  25. 3025
  26. 144
  27. 196
  28. 6561
  29. 784
  30. 1521
  31. 5041
  32. 4761
  33. 441
  34. 7569
  35. 196
  36. 441
  37. 2601
  38. 361
  39. 961
  40. 3364

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