(x1+x2/2,y1+y2/2)SubstitutionProp/POESlopes ofPerpendicularLinesTheoremIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.PlaneAlternateExteriorAnglesConverseTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!If two lines areperpendicularto the sameline, then theyare parallelReflexivePropertyDivision ofsomething intotwo equal orcongruent partsby a bisectorIf a = b, b =a; you canflip the sidesof anequation.IdentityPropertyof Division√(x2−x1)^2+(y2−y1)^2If two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelParallelPostulateAlternateInteriorAnglesTheoremA mark thatmodels/indicatesan exactposition andlocation in aspaceA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularPart of aline thathas 2endpointsCoordinatePlaneWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf a=b,thenac=bcAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpoint(x1+x2/2,y1+y2/2)SubstitutionProp/POESlopes ofPerpendicularLinesTheoremIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.PlaneAlternateExteriorAnglesConverseTwo or more lines thatgo in the samedirections stayingthe same distanceapart.In addition, they neverintersect!If two lines areperpendicularto the sameline, then theyare parallelReflexivePropertyDivision ofsomething intotwo equal orcongruent partsby a bisectorIf a = b, b =a; you canflip the sidesof anequation.IdentityPropertyof Division√(x2−x1)^2+(y2−y1)^2If two lines are cut bya transversal andthe consecutiveexteriorangles aresupplementary, thenthe two lines areparallelParallelPostulateAlternateInteriorAnglesTheoremA mark thatmodels/indicatesan exactposition andlocation in aspaceA part of a linethat starts fromone point andextends in onedirection for aninfinite amountof timeWhen two straightlines intersect at apointand form a linear pairof equal angles, theyare perpendicularPart of aline thathas 2endpointsCoordinatePlaneWhen two parallellines arecut by a transversalresulting incorresponding anglesmakingthem congruentIf a=b,thenac=bcAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpoint

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