Teachables Protractors - Advanced 180°, Class SetEquip every student for angle measurement success with the Protractor Advanced 180 Class Set. Designed for accuracy and ease of use, this economical class pack includes 30 clear plastic student protractors, each measuring 100mm in diameter. With both black and red printed markings, students can easily read angle measurements up to 180 , supporting clarity during geometry and measurement tasks. The transparent material allows for precise alignment over