Shapes on the Coordinate Plane: Constructing Figures by Coordinates

This example demonstrates how to represent and explore different shapes directly on the coordinate plane by using coordinate information. The core ideas include coordinate geometry (the mapping between points and geometric figures), working with number types such as natural numbers and rational numbers as coordinates, and connecting the visual representation of shapes with broader representations like functions/graphs and data trends (e.g., correlation concepts and bar chart-style thinking). Since the provided source contains no GeoGebra construction summary, the typical construction approach implied by the lesson theme is: create points on the coordinate grid using given rational/natural coordinates, then connect or combine them to form polygons or other standard figures; optionally add graphing or chart elements to support discussion of relationships or trends. Suitable for middle to early high school math, classroom visualization, and interactive instruction on coordinate-based drawing and interpretation of geometric shapes.