AlternateExteriorAnglesConverseIf two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelAlternateInteriorAnglesTheoremA mark thatmodels/indicatesan exactposition andlocation in aspaceAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!√(x2−x1)^2+(y2−y1)^2(x1+x2/2,y1+y2/2)ParallelPostulateIdentityPropertyof DivisionA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeIf a = b, b =a; you canflip the sidesof anequation.If a=b,thenac=bcCoordinatePlanePart of aline thathas 2endpointsPlaneSubstitutionProp/POEReflexivePropertyIf two lines areperpendicularto the sameline, then theyare parallelSlopes ofPerpendicularLinesTheoremDivision ofsomething intotwo equal orcongruent partsby a bisectorWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.AlternateExteriorAnglesConverseIf two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelAlternateInteriorAnglesTheoremA mark thatmodels/indicatesan exactposition andlocation in aspaceAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!√(x2−x1)^2+(y2−y1)^2(x1+x2/2,y1+y2/2)ParallelPostulateIdentityPropertyof DivisionA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeIf a = b, b =a; you canflip the sidesof anequation.If a=b,thenac=bcCoordinatePlanePart of aline thathas 2endpointsPlaneSubstitutionProp/POEReflexivePropertyIf two lines areperpendicularto the sameline, then theyare parallelSlopes ofPerpendicularLinesTheoremDivision ofsomething intotwo equal orcongruent partsby a bisectorWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.

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