Pencil and triangular ruler
Blackboard and choke 8
Compass, pencil, eraser, protractor and calculator
Colorful numbers
Pencil, notebook, calculator and triangle ruler
Pencil and protractor, triangular ruler, compass and note
Male drawing graph on blackboard 6
Compass, pencil, protractor and calculator 2
Pencil and eraser and note
Compass, pencil, protractor, calculator and notebook
Pencil, protractor, triangular ruler and note 2
Draw on blackboard 5
Draw on blackboard 4
Pencil and protractor, notebook and calculator and compass 2
Pencil and note 5
Pencil and note 4
Male drawing graph on blackboard 19
Male drawing graph on blackboard 16
Blackboard, protractor and triangular ruler
Male is using compass
Pencils and clips and notes
A man is using a calculator 2
Blackboard hung on the wall 36
Chalkboard and chalk 6
Chalkboard and chalk 4
Blackboard with graphs 1
Male is using calculator 4
A man is writing a letter with a pencil 2
Pencil and protractor
Notebook and calculator and pencil 9
Pencil and protractor, triangle ruler, notebook and calculator
Male drawing graph on blackboard 1
Pencil and protractor, notebook and calculator
A man is using a calculator
Protractor and compass and note
Primary school student writing on the blackboard 18
Chalk, chalk, pencil and protractor
Pencil and triangle ruler, compass and calculator
Pencil and pencil sharpener, clip and triangle ruler, compass, protractor and calculator
Notes and pencils and calculator 4
Men in the graph on the blackboard 9
Protractor and compass and paper
Male is using calculator 3
Pencil and eraser, notebook and calculator
Chalkboard and chalk 3
Calculator and pencil
Men 1 looking at the graph on the blackboard
Pencil and protractor and triangle ruler and note
See the chart on the blackboard Male 3
Pencil and note 3
Pencil and note
Pencil and protractor and note 2
Pencil sharpener, clip and protractor, triangle ruler, compass and calculator
Chalkboard and chalk 7
Pencil and triangular ruler and note
Pencil and protractor and note
A hand drawn on a blackboard 1
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