* Pens: Ballpoint pens, gel pens, fine-liners are common for grading papers and writing on whiteboards.
* Markers: Dry-erase markers for whiteboards, and permanent markers for other surfaces.
* Pencils: For planning, sketching, and making notes that can be easily erased.
* Crayons/Markers: Particularly in younger grades.
* Chalk: For traditional chalkboards.
* Digital Pens/Stylus: For interactive whiteboards and tablets.
Essentially, anything that allows them to write and communicate information effectively.