AcuteTriangleless than90degreesIsosceles2 equalsides & 1differentsideScalene3differentsidesEquilateral3 equalsides & 3equal acuteanglesRightAngle90degreesObtuseAnglegreaterthan 90degreesAcuteTriangleless than90degreesIsosceles2 equalsides & 1differentsideScalene3differentsidesEquilateral3 equalsides & 3equal acuteanglesRightAngle90degreesObtuseAnglegreaterthan 90degrees

Triangle 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. less than 90 degrees
    Acute Triangle
  2. 2 equal sides & 1 different side
    Isosceles
  3. 3 different sides
    Scalene
  4. 3 equal sides & 3 equal acute angles
    Equilateral
  5. 90 degrees
    Right Angle
  6. greater than 90 degrees
    Obtuse Angle