reflectionreflectionacrossline y=xorigincongruent(-x, -y)(x, -y)(-y,x)free(-x,y)90ºrotationclockwisenegative90º rotationcounterclockwise(y, -x)transformationcongruenttranslationx + areflectionacross x-axis180ºrotationreflectionacross y-axispositiverotationy + b(y, x)reflectionreflectionacrossline y=xorigincongruent(-x, -y)(x, -y)(-y,x)free(-x,y)90ºrotationclockwisenegative90º rotationcounterclockwise(y, -x)transformationcongruenttranslationx + areflectionacross x-axis180ºrotationreflectionacross y-axispositiverotationy + b(y, x)

Transformations - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. reflection
  2. reflection across line y=x
  3. origin
  4. congruent
  5. (-x, -y)
  6. (x, -y)
  7. (-y, x)
  8. free
  9. (-x, y)
  10. 90º rotation clockwise
  11. negative
  12. 90º rotation counterclockwise
  13. (y, -x)
  14. transformation
  15. congruent
  16. translation
  17. x + a
  18. reflection across x-axis
  19. 180º rotation
  20. reflection across y-axis
  21. positive
  22. rotation
  23. y + b
  24. (y, x)