Build a solid foundation on which to develop future concepts. Through a guided exploration, learners compare and contrast the characteristics of points, lines, planes, rays, and segments. They measure lengths and practice notation for naming the objects and defining their lengths. The second instructional activity of the five-part series helps pupils become comfortable with the most basic components of geometry.

Concepts

points on a line, lines, planes, segments, rays

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Additional Tags

math

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Instructional Ideas

• Record new vocabulary using a graphic organizer such as a Frayer model

Classroom Considerations

• Expects proficiency measuring lengths with metric units
• Provide each pupil with drawing tools and paper

Pros

• Emphasizes mathematical definitions of new vocabulary
• Provides questioning strategies to encourage higher order thinking

Cons

• None

Common Core

4.G.A.1