If a=b,thenac=bcPart of aline thathas 2endpointsA part of a line thatstarts fromone point andextends in onedirectionfor an infiniteamount of timeA mark thatmodels/indicatesan exactposition andlocation in aspaceIdentityPropertyof DivisionDivision ofsomething intotwo equal orcongruent partsby a bisector√(x2−x1)^2+(y2−y1)^2Two or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!If the correspondingangles formed by twolinesand a transversalare congruent, thenthe lines are parallel.PlaneAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointAlternateInteriorAnglesTheoremIf x = y,and y = z,then x = z.If two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelIf two lines areperpendicularto the sameline, then theyare parallelSlopes ofPerpendicularLinesTheoremReflexivePropertyIntersectingLinesSubstitutionProp/POECoordinatePlane(x1+x2/2,y1+y2/2)If a = b, b =a; you canflip the sidesof anequationWhen two parallellinesare cut by atransversalresulting incorresponding anglesmaking themcongruentParallelPostulateIf a=b,thenac=bcPart of aline thathas 2endpointsA part of a line thatstarts fromone point andextends in onedirectionfor an infiniteamount of timeA mark thatmodels/indicatesan exactposition andlocation in aspaceIdentityPropertyof DivisionDivision ofsomething intotwo equal orcongruent partsby a bisector√(x2−x1)^2+(y2−y1)^2Two or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!If the correspondingangles formed by twolinesand a transversalare congruent, thenthe lines are parallel.PlaneAny ray, segment, orline that intersects asegmentat its midpoint. Itdivides a segmentinto two equal partsat its midpointAlternateInteriorAnglesTheoremIf x = y,and y = z,then x = z.If two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelIf two lines areperpendicularto the sameline, then theyare parallelSlopes ofPerpendicularLinesTheoremReflexivePropertyIntersectingLinesSubstitutionProp/POECoordinatePlane(x1+x2/2,y1+y2/2)If a = b, b =a; you canflip the sidesof anequationWhen two parallellinesare cut by atransversalresulting incorresponding anglesmaking themcongruentParallelPostulate

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