If a = b, b =a; you canflip the sidesof anequation.AlternateInteriorAnglesTheoremReflexivePropertyIf two lines areperpendicularto the sameline, then theyare parallelIdentityPropertyof DivisionPart of aline thathas 2endpointsAlternateExteriorAnglesConverseWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruent(x1+x2/2,y1+y2/2)A part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeParallelPostulateIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.Any ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointLines thatintersectat a rightangleA mark thatmodels/indicatesan exactposition andlocation in aspacePlaneIf two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelCoordinatePlaneTwo or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!If x = y,and y = z,then x = z.Division ofsomething intotwo equal orcongruent partsby a bisectorSlopes ofPerpendicularLinesTheoremIf a=b,thenac=bc√(x2−x1)^2+(y2−y1)^2If a = b, b =a; you canflip the sidesof anequation.AlternateInteriorAnglesTheoremReflexivePropertyIf two lines areperpendicularto the sameline, then theyare parallelIdentityPropertyof DivisionPart of aline thathas 2endpointsAlternateExteriorAnglesConverseWhen two parallellines are cut by atransversal resultingin correspondingangles making themcongruent(x1+x2/2,y1+y2/2)A part of a line thatstarts from onepoint and extendsin one direction foran infinite amountof timeParallelPostulateIf the correspondingangles formed by twolines and atransversal arecongruent, then thelines are parallel.Any ray, segment, orline that intersects asegment at itsmidpoint. It divides asegment into twoequal parts at itsmidpointLines thatintersectat a rightangleA mark thatmodels/indicatesan exactposition andlocation in aspacePlaneIf two lines are cut bya transversal and theconsecutive exteriorangles aresupplementary, thenthe two lines areparallelCoordinatePlaneTwo or more linesthat go in the samedirections stayingthe same distanceapart. In addition,they neverintersect!If x = y,and y = z,then x = z.Division ofsomething intotwo equal orcongruent partsby a bisectorSlopes ofPerpendicularLinesTheoremIf a=b,thenac=bc√(x2−x1)^2+(y2−y1)^2

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