AcuteTriangleless than90degreesRightAngle90degreesObtuseAnglegreaterthan 90degreesEquilateral3 equalsides & 3equal acuteanglesIsosceles2 equalsides & 1differentsideScalene3differentsidesAcuteTriangleless than90degreesRightAngle90degreesObtuseAnglegreaterthan 90degreesEquilateral3 equalsides & 3equal acuteanglesIsosceles2 equalsides & 1differentsideScalene3differentsides

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