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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 124 · 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. 1.81² =
  2. 2.94² =
  3. 3.53² =
  4. 4.47² =
  5. 5.31² =
  6. 6.77² =
  7. 7.95² =
  8. 8.23² =
  9. 9.47² =
  10. 10.16² =
  11. 11.99² =
  12. 12.73² =
  13. 13.75² =
  14. 14.26² =
  15. 15.14² =
  16. 16.23² =
  17. 17.31² =
  18. 18.96² =
  19. 19.21² =
  20. 20.39² =
  21. 21.46² =
  22. 22.67² =
  23. 23.25² =
  24. 24.23² =
  25. 25.13² =
  26. 26.38² =
  27. 27.76² =
  28. 28.92² =
  29. 29.44² =
  30. 30.95² =
  31. 31.65² =
  32. 32.78² =
  33. 33.72² =
  34. 34.64² =
  35. 35.74² =
  36. 36.76² =
  37. 37.31² =
  38. 38.22² =
  39. 39.27² =
  40. 40.67² =

Answer key

  1. 6561
  2. 8836
  3. 2809
  4. 2209
  5. 961
  6. 5929
  7. 9025
  8. 529
  9. 2209
  10. 256
  11. 9801
  12. 5329
  13. 5625
  14. 676
  15. 196
  16. 529
  17. 961
  18. 9216
  19. 441
  20. 1521
  21. 2116
  22. 4489
  23. 625
  24. 529
  25. 169
  26. 1444
  27. 5776
  28. 8464
  29. 1936
  30. 9025
  31. 4225
  32. 6084
  33. 5184
  34. 4096
  35. 5476
  36. 5776
  37. 961
  38. 484
  39. 729
  40. 4489

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