chalkboard

The teacher wrote the math problem on the chalkboard.

Students often use chalk to write on the chalkboard.

The chalkboard was covered in colorful drawings.

She erased the notes from the chalkboard after class.

The teacher tapped the chalkboard to get the students' attention.

The chalkboard in the classroom needs to be cleaned.

The sound of chalk scratching on the chalkboard is unpleasant.

The students gathered around the chalkboard to see the demonstration.

The teacher pointed to the diagram on the chalkboard to explain the concept.

The chalkboard is an essential tool for teaching in many classrooms.