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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 190 · 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. 1.52² =
  2. 2.21² =
  3. 3.21² =
  4. 4.21² =
  5. 5.83² =
  6. 6.69² =
  7. 7.84² =
  8. 8.96² =
  9. 9.57² =
  10. 10.51² =
  11. 11.69² =
  12. 12.38² =
  13. 13.43² =
  14. 14.12² =
  15. 15.68² =
  16. 16.21² =
  17. 17.41² =
  18. 18.54² =
  19. 19.53² =
  20. 20.18² =
  21. 21.62² =
  22. 22.26² =
  23. 23.58² =
  24. 24.11² =
  25. 25.35² =
  26. 26.27² =
  27. 27.35² =
  28. 28.17² =
  29. 29.58² =
  30. 30.14² =
  31. 31.23² =
  32. 32.61² =
  33. 33.67² =
  34. 34.21² =
  35. 35.28² =
  36. 36.62² =
  37. 37.76² =
  38. 38.42² =
  39. 39.95² =
  40. 40.38² =

Answer key

  1. 2704
  2. 441
  3. 441
  4. 441
  5. 6889
  6. 4761
  7. 7056
  8. 9216
  9. 3249
  10. 2601
  11. 4761
  12. 1444
  13. 1849
  14. 144
  15. 4624
  16. 441
  17. 1681
  18. 2916
  19. 2809
  20. 324
  21. 3844
  22. 676
  23. 3364
  24. 121
  25. 1225
  26. 729
  27. 1225
  28. 289
  29. 3364
  30. 196
  31. 529
  32. 3721
  33. 4489
  34. 441
  35. 784
  36. 3844
  37. 5776
  38. 1764
  39. 9025
  40. 1444

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