blackboard
The blackboard is blank.
Tom escribió su nombre en la pizarra.
Tom wrote his name on the blackboard.
El profesor llamó al alumno a la pizarra.
The teacher called the student to the blackboard.
El maestro escribió su nombre en la pizarra.
The teacher wrote his name on the blackboard.
Look at the blackboard.
Me puse mis lentes para ver la pizarra.
I put on my glasses to see the blackboard.