A book with the label "MATH" and the numerals 2, 3 and 4 on the cover. 

Math Textbook

A blackboard with many education elements drawn on it, like letters, jagged lines, molecules and books.

Blackboard With Drawings

A handwritten symbol of a square root next to the number three as blackboard content for math class.

A blackboard with science elements drawn on it, such as a DNA chain, a chemistry formula, a Venn diagram and molecules.

A math class blackboard with equations and scribbles.

A blackboard with many history elements drawn on it, such as roman dates, planet Earth and a Chinese temple. 

A blackboard with mathematical equations, magnets and an eraser.

A blackboard menu with a variety of options.

An art class blackboard with drawn elements such as faces, a music note, fish and a musical instrument.

A blackboard complete with geometry explanation and drawings, such as a right triangle, a pie chart and an equation.