Any ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpoint√(x2−x1)^2+(y2−y1)^2AlternateInteriorAnglesTheoremPerpendicularPostulateIf two lines areperpendicularto the sameline, then theyare parallelIf a=b,thenac=bcA mark thatmodels/indicatesan exactposition andlocation in aspaceAlternateExteriorAnglesConversePart of alinethat has 2endpointsIdentityPropertyof DivisionReflexivePropertySlopes ofPerpendicularLinesTheoremPlaneWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentA part of a line thatstarts from onepoint andextends in onedirection for aninfinite amount oftimeIf two lines are cut bya transversaland the consecutiveexterior anglesare supplementary,then the two lines areparallel(x1+x2/2,y1+y2/2)CoordinatePlaneSubstitutionProp/POEIf a = b, b =a; you canflip the sidesof anequationDivision ofsomething intotwo equal orcongruent partsby a bisectorTwo or more linesthatgo in the samedirections stayingthe same distanceapart. In addition,they never intersect!If x = y,and y = z,then x = zParallelPostulateAny ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpoint√(x2−x1)^2+(y2−y1)^2AlternateInteriorAnglesTheoremPerpendicularPostulateIf two lines areperpendicularto the sameline, then theyare parallelIf a=b,thenac=bcA mark thatmodels/indicatesan exactposition andlocation in aspaceAlternateExteriorAnglesConversePart of alinethat has 2endpointsIdentityPropertyof DivisionReflexivePropertySlopes ofPerpendicularLinesTheoremPlaneWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentA part of a line thatstarts from onepoint andextends in onedirection for aninfinite amount oftimeIf two lines are cut bya transversaland the consecutiveexterior anglesare supplementary,then the two lines areparallel(x1+x2/2,y1+y2/2)CoordinatePlaneSubstitutionProp/POEIf a = b, b =a; you canflip the sidesof anequationDivision ofsomething intotwo equal orcongruent partsby a bisectorTwo or more linesthatgo in the samedirections stayingthe same distanceapart. In addition,they never intersect!If x = y,and y = z,then x = zParallelPostulate

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