blackboard

US /ˈblæk.bɔːrd/
UK /ˈblæk.bɔːrd/
"blackboard" picture
1.

papan tulis, papan hitam

a large board with a smooth, dark surface, typically green or black, used for writing on with chalk, especially in schools

:
The teacher wrote the math problem on the blackboard.
Guru menulis soal matematika di papan tulis.
We used to draw pictures on the blackboard during recess.
Kami dulu menggambar di papan tulis saat istirahat.