Aristotle was a Greek philosopher, a student of Plato and teacher of Alexander the Great. He wrote on…
Boy climbing a ladder of subtraction problems.
A lesson about apples.
A girl with a book, staring at a lit candle.
A girl counting blocks, applying the math problems on the board.
A girl doing math problems on the chalkboard.
Young students playing at school.
A boy building a wooden shelf in shop class.
A teacher explaining a document to her pupil.
A diller, a dollar, a ten o'clock scholar.