primary school large then 3600mm * 1000mm
middle school large then 4000mm * 1000mm
because they are black and they are a board.
I am pretty sure it's a teacher.
YEP!
Because it's white and easily adheres to the blackboard. (this is physical)
educational software
Matilda wrote "I'm big, you're little. I'm right, you're wrong, and there's nothing you can do about it" on the blackboard.
2 inches by 4 inches.
Blackboard Inc. was created in 1997.
The population of Blackboard Inc. is 1,780.
advantages and disadvantages of blackboard
The duration of Beyond the Blackboard is 1.67 hours.
The duration of Murder on the Blackboard is 1.18 hours.
There is more than one size of blackboard...
Beyond the Blackboard was created on 2011-04-24.
The word for blackboard in Sanskrit is कृष्णपट्टिका (kṛṣṇapaṭṭikā).
Go to google and type in your state and blackboard and it should come up.
"Blackboard" in Chinese is 黑板 (Hēi băn)