blackboards in a sentence

Examples

1. Murray had only one word on the blackboard Wednesday : Composure.
2. Remember those blackboards that Tony and I found under the tree?
3. Its practitioners fill blackboards with equations and clog computers with data.
4. The answers can't be found through a blackboard exercise.
5. Online commerce looks something like the blackboard model of perfect competition.
6. A classroom had a blackboard with drawings of American fighter jets.
7. Students wrote farewell notes to the missing classmates on the blackboard.
8. Each classroom has a photograph of Saddam Hussein above the blackboard.
9. The school has three cinderblock classrooms with video equipment and blackboards.
10. The educational tools were limited to small blackboards and paperback textbooks.