Part of aline thathas 2endpointsWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularA mark thatmodels/indicatesan exactposition andlocation in aspaceWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.AlternateInteriorAnglesTheoremTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!ReflexiveProperty(x1+x2/2,y1+y2/2)Slopes ofPerpendicularLinesTheoremParallelPostulateIdentityPropertyof DivisionIf a = b, b =a; you canflip the sidesof anequation.CoordinatePlane√(x2−x1)^2+(y2−y1)^2If two lines areperpendicularto the sameline, then theyare parallelPlaneIf a=b,thenac=bcA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeIf two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelAlternateExteriorAnglesConverseDivision ofsomething intotwo equal orcongruent partsby a bisectorAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointSubstitutionProp/POEPart of aline thathas 2endpointsWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularA mark thatmodels/indicatesan exactposition andlocation in aspaceWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.AlternateInteriorAnglesTheoremTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!ReflexiveProperty(x1+x2/2,y1+y2/2)Slopes ofPerpendicularLinesTheoremParallelPostulateIdentityPropertyof DivisionIf a = b, b =a; you canflip the sidesof anequation.CoordinatePlane√(x2−x1)^2+(y2−y1)^2If two lines areperpendicularto the sameline, then theyare parallelPlaneIf a=b,thenac=bcA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeIf two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelAlternateExteriorAnglesConverseDivision ofsomething intotwo equal orcongruent partsby a bisectorAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointSubstitutionProp/POE

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