90ºrotationclockwise(-x,y)(-x, -y)negativereflectionacross y-axis(x, -y)reflectionrotation(y, x)(y, -x)congruent90º rotationcounterclockwiseoriginreflectionacrossline y=xreflectionacross x-axistransformation180ºrotationpositivecongruentx + atranslationfreey + b(-y,x)90ºrotationclockwise(-x,y)(-x, -y)negativereflectionacross y-axis(x, -y)reflectionrotation(y, x)(y, -x)congruent90º rotationcounterclockwiseoriginreflectionacrossline y=xreflectionacross x-axistransformation180ºrotationpositivecongruentx + atranslationfreey + 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. 90º rotation clockwise
  2. (-x, y)
  3. (-x, -y)
  4. negative
  5. reflection across y-axis
  6. (x, -y)
  7. reflection
  8. rotation
  9. (y, x)
  10. (y, -x)
  11. congruent
  12. 90º rotation counterclockwise
  13. origin
  14. reflection across line y=x
  15. reflection across x-axis
  16. transformation
  17. 180º rotation
  18. positive
  19. congruent
  20. x + a
  21. translation
  22. free
  23. y + b
  24. (-y, x)