Plain English Meaning
Start with what the student already knows, then connect the new idea to it. The familiar part gives them something to hold on to while they learn the unfamiliar part.
Full Definition
A teaching principle in which an instructor introduces new material by linking it to what the student already understands, building each new concept on a foundation of previously mastered knowledge.
Context Anchor
Used in lesson planning, ground instruction, and flight training when an instructor decides how to introduce a new concept or maneuver.
Derivation
Known comes from Old English words meaning recognized or understood. Unknown means not known. The phrase helps because it describes the direction of good instruction: from secure understanding toward new understanding.
Why Pilots Care
Reduces student confusion and anxiety by anchoring new skills to prior knowledge, improving and in training.