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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 317 · 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. 1.41² =
  2. 2.91² =
  3. 3.43² =
  4. 4.63² =
  5. 5.52² =
  6. 6.84² =
  7. 7.81² =
  8. 8.37² =
  9. 9.57² =
  10. 10.56² =
  11. 11.71² =
  12. 12.74² =
  13. 13.73² =
  14. 14.87² =
  15. 15.83² =
  16. 16.73² =
  17. 17.56² =
  18. 18.69² =
  19. 19.31² =
  20. 20.21² =
  21. 21.86² =
  22. 22.84² =
  23. 23.14² =
  24. 24.35² =
  25. 25.21² =
  26. 26.91² =
  27. 27.36² =
  28. 28.92² =
  29. 29.48² =
  30. 30.26² =
  31. 31.96² =
  32. 32.67² =
  33. 33.44² =
  34. 34.83² =
  35. 35.34² =
  36. 36.94² =
  37. 37.31² =
  38. 38.41² =
  39. 39.62² =
  40. 40.25² =

Answer key

  1. 1681
  2. 8281
  3. 1849
  4. 3969
  5. 2704
  6. 7056
  7. 6561
  8. 1369
  9. 3249
  10. 3136
  11. 5041
  12. 5476
  13. 5329
  14. 7569
  15. 6889
  16. 5329
  17. 3136
  18. 4761
  19. 961
  20. 441
  21. 7396
  22. 7056
  23. 196
  24. 1225
  25. 441
  26. 8281
  27. 1296
  28. 8464
  29. 2304
  30. 676
  31. 9216
  32. 4489
  33. 1936
  34. 6889
  35. 1156
  36. 8836
  37. 961
  38. 1681
  39. 3844
  40. 625

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