Slopes ofPerpendicularLinesTheorem√(x2−x1)^2+(y2−y1)^2A part of a line thatstarts from onepoint andextends in onedirection for aninfinite amount oftimeSubstitutionProp/POEIf two lines are cut bya transversal and theconsecutiveexterior angles aresupplementary, thenthe two lines areparallel(x1+x2/2,y1+y2/2)ParallelPostulateIf a=b,thenac=bcTwo or more linesthatgo in the samedirections stayingthe same distanceapart.In addition, theynever intersect!If a=b,thenac=bcPlaneAny ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointIf two lines areperpendicularto the sameline, then theyare parallelIdentityPropertyof DivisionWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentDivision ofsomething intotwo equal orcongruent partsby a bisectorA mark thatmodels/indicatesan exactposition andlocation in aspacePart of alinethat has 2endpointsIf x = y,and y = z,then x = zy=mx+bCoordinatePlaneIf the correspondingangles formed by twolinesand a transversal arecongruent,then the lines areparallel.If a = b, b =a; you canflip the sidesof anequation.AlternateExteriorAnglesConverseSlopes ofPerpendicularLinesTheorem√(x2−x1)^2+(y2−y1)^2A part of a line thatstarts from onepoint andextends in onedirection for aninfinite amount oftimeSubstitutionProp/POEIf two lines are cut bya transversal and theconsecutiveexterior angles aresupplementary, thenthe two lines areparallel(x1+x2/2,y1+y2/2)ParallelPostulateIf a=b,thenac=bcTwo or more linesthatgo in the samedirections stayingthe same distanceapart.In addition, theynever intersect!If a=b,thenac=bcPlaneAny ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointIf two lines areperpendicularto the sameline, then theyare parallelIdentityPropertyof DivisionWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentDivision ofsomething intotwo equal orcongruent partsby a bisectorA mark thatmodels/indicatesan exactposition andlocation in aspacePart of alinethat has 2endpointsIf x = y,and y = z,then x = zy=mx+bCoordinatePlaneIf the correspondingangles formed by twolinesand a transversal arecongruent,then the lines areparallel.If a = b, b =a; you canflip the sidesof anequation.AlternateExteriorAnglesConverse

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