Un plumón / marcador de agua si la pizarra es un pintarrón.Un gis / tiza si la pizarra es de las antiguas.
Write on the board.
En la pizarra
La pizarra is feminine, (el) is masculine, and (la) is feminine.
"Mira/Mire la pizarra/el pizarron"....this is only for 1 person. The plural would be "Miren la pizarra/el pizarron."
listen to the slate
he/she/you (formal) writes on the board.
What color is the chalkboard.
La pizarra es grande.
"Come to the board, please."
She goes to the blackboard and writes
Pizarra's population is 8,990.