If x = y,and y = z,then x = z.Division ofsomething intotwo equal orcongruent partsby a bisectorIf a = b, b =a; you canflip the sidesof anequation.Two or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!IdentityPropertyof DivisionA mark thatmodels/indicatesan exactposition andlocation in aspaceSlopes ofPerpendicularLinesTheoremPart of aline thathas 2endpointsReflexivePropertyAny ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpoint(x1+x2/2,y1+y2/2)A part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeAlternateExteriorAnglesConverseWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentCoordinatePlanePlaneIf two lines areperpendicularto the sameline, then theyare parallelAlternateInteriorAnglesTheoremIf a=b,thenac=bcIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.√(x2−x1)^2+(y2−y1)^2ParallelPostulateIf two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelLines thatintersectat a rightangleIf x = y,and y = z,then x = z.Division ofsomething intotwo equal orcongruent partsby a bisectorIf a = b, b =a; you canflip the sidesof anequation.Two or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!IdentityPropertyof DivisionA mark thatmodels/indicatesan exactposition andlocation in aspaceSlopes ofPerpendicularLinesTheoremPart of aline thathas 2endpointsReflexivePropertyAny ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpoint(x1+x2/2,y1+y2/2)A part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeAlternateExteriorAnglesConverseWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentCoordinatePlanePlaneIf two lines areperpendicularto the sameline, then theyare parallelAlternateInteriorAnglesTheoremIf a=b,thenac=bcIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.√(x2−x1)^2+(y2−y1)^2ParallelPostulateIf two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelLines thatintersectat a rightangle

Geometry Bingo - 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. If x = y, and y = z, then x = z.
  2. Division of something into two equal or congruent parts by a bisector
  3. If a = b, b = a; you can flip the sides of an equation.
  4. Two or more lines that go in the same directions staying the same distance apart. In addition, they never intersect!
  5. Identity Property of Division
  6. A mark that models/indicates an exact position and location in a space
  7. Slopes of Perpendicular Lines Theorem
  8. Part of a line that has 2 endpoints
  9. Reflexive Property
  10. Any ray, segment, or line that intersects a segment at its midpoint. It divides a segment into two equal parts at its midpoint
  11. (x1+x2/2, y1+y2/2)
  12. A part of a line that starts from one point and extends in one direction for an infinite amount of time
  13. Alternate Exterior Angles Converse
  14. When two parallel lines are cut by a transversal resulting in corresponding angles making them congruent
  15. Coordinate Plane
  16. Plane
  17. If two lines are perpendicular to the same line, then they are parallel
  18. Alternate Interior Angles Theorem
  19. If a=b, then ac=bc
  20. If the corresponding angles formed by two lines and a transversal are congruent, then the lines are parallel.
  21. √(x2−x1)^2+(y2−y1)^2
  22. Parallel Postulate
  23. If two lines are cut by a transversal and the consecutive exterior angles are supplementary, then the two lines are parallel
  24. Lines that intersect at a right angle