Teachables Protractor Door Mat - Large-Scale MeasurementThe Protractor Door Mat offers a creative and interactive way to explore angles in everyday classroom settings. Shaped like a semi circular protractor, this durable floor mat allows students to visually engage with angle measurement each time the door opens. Simply align the door hinge with the centre of the mat students can then observe and estimate the angle created as the door moves, promoting continuous reinforcement of angle awareness and degrees