Lines thatintersectat a rightangleReflexivePropertyIf a=b,thenac=bcTwo or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!CoordinatePlaneIdentityPropertyof DivisionPlaneA part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeAlternateInteriorAnglesTheoremWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentParallelPostulatePart of aline thathas 2endpointsDivision ofsomething intotwo equal orcongruent partsby a bisectorIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.If two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelIf two lines areperpendicularto the sameline, then theyare parallel(x1+x2/2,y1+y2/2)√(x2−x1)^2+(y2−y1)^2A mark thatmodels/indicatesan exactposition andlocation in aspaceIf x = y,and y = z,then x = z.Any ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointSlopes ofPerpendicularLinesTheoremIf a = b, b =a; you canflip the sidesof anequation.AlternateExteriorAnglesConverseLines thatintersectat a rightangleReflexivePropertyIf a=b,thenac=bcTwo or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!CoordinatePlaneIdentityPropertyof DivisionPlaneA part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeAlternateInteriorAnglesTheoremWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruentParallelPostulatePart of aline thathas 2endpointsDivision ofsomething intotwo equal orcongruent partsby a bisectorIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.If two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelIf two lines areperpendicularto the sameline, then theyare parallel(x1+x2/2,y1+y2/2)√(x2−x1)^2+(y2−y1)^2A mark thatmodels/indicatesan exactposition andlocation in aspaceIf x = y,and y = z,then x = z.Any ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointSlopes ofPerpendicularLinesTheoremIf 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. Lines that intersect at a right angle
  2. Reflexive Property
  3. If a=b, then ac=bc
  4. Two or more lines that go in the same directions staying the same distance apart. In addition, they never intersect!
  5. Coordinate Plane
  6. Identity Property of Division
  7. Plane
  8. A part of a line that starts from one point and extends in one direction for an infinite amount of time
  9. Alternate Interior Angles Theorem
  10. When two parallel lines are cut by a transversal resulting in corresponding angles making them congruent
  11. Parallel Postulate
  12. Part of a line that has 2 endpoints
  13. Division of something into two equal or congruent parts by a bisector
  14. If the corresponding angles formed by two lines and a transversal are congruent, then the lines are parallel.
  15. If two lines are cut by a transversal and the consecutive exterior angles are supplementary, then the two lines are parallel
  16. If two lines are perpendicular to the same line, then they are parallel
  17. (x1+x2/2, y1+y2/2)
  18. √(x2−x1)^2+(y2−y1)^2
  19. A mark that models/indicates an exact position and location in a space
  20. If x = y, and y = z, then x = z.
  21. Any ray, segment, or line that intersects a segment at its midpoint. It divides a segment into two equal parts at its midpoint
  22. Slopes of Perpendicular Lines Theorem
  23. If a = b, b = a; you can flip the sides of an equation.
  24. Alternate Exterior Angles Converse