chalkboards

the teacher wrote complex equations on the chalkboards.

we erased the chalkboards after the class ended.

the old schoolhouse still had dusty chalkboards.

he used colorful chalk to decorate the chalkboards.

the students carefully copied notes from the chalkboards.

the classroom was filled with the scent of chalkboards.

they covered the chalkboards with protective film.

the history lesson involved diagrams on the chalkboards.

she cleaned the chalkboards with a damp cloth.

the children drew silly pictures on the chalkboards.

he filled the chalkboards with brainstorming ideas.