CONCEPT ATTAINMENT
TRACY DURST
Examples
12 ft.
Non-Examples
 A drawing that shows a real object with accurate
sizes reduced or enlarged by a certain amount (called
the scale).
Definition
 A drawing of an object that is either bigger or smaller
than the original
 Has a scale that is maintained throughout the drawing
Critical Features
Drawings
Replicas
Scale
Drawings
Enlargements Reductions
Maps Blueprints
Non-Scale
Drawings
Hierarchy

Concept attainment