## More on Points Segments Rays Lines - Section 2: More on Points, Segments, Rays and Lines

*More on Points Segments Rays Lines*

*More on Points Segments Rays Lines*

# Investigating Points, Segments, Rays, and Lines

Lesson 5 of 14

## Objective: SWBAT use basic tools and menus on Geometer's Sketchpad; SWBAT measure distances between points and lengths of segments; SWBAT construct the midpoint of a segment.

For this section, we go to the computer lab. I use the *Introducing Points, Segments, Rays, and Lines* activity from *Exploring Geometry with The Geometer's Sketchpad Version 5 *by Key Curriculum Press.

The activity introduces students to some of the basic Sketchpad functionalities while guiding them through an exploration of points, segments, rays and lines. Throughout the activity, students are asked a series of conceptual questions to make sure they understand what they are doing. I require students to answer these questions on a separate sheet of paper to be handed in.

See this video to get a feel for the types of things students will be doing in the activity.

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In this section, students work on the More on Points Segments Rays Lines resource, which is a student-centered activity. This is a chance for students to apply what they have learned in the previous section. Students may ask, "How do I do this?" or "What do you want me to do?", but in this activity, it is their job to decide what to do. It really is the point of the exercise.

#### Resources

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- UNIT 1: Community Building, Norms, and Expectations
- UNIT 2: Geometry Foundations
- UNIT 3: Developing Logic and Proof
- UNIT 4: Defining Transformations
- UNIT 5: Quadrilaterals
- UNIT 6: Similarity
- UNIT 7: Right Triangles and Trigonometry
- UNIT 8: Circles
- UNIT 9: Analytic Geometry
- UNIT 10: Areas of Plane Figures
- UNIT 11: Measurement and Dimension
- UNIT 12: Unit Circle Trigonmetry
- UNIT 13: Extras

- LESSON 1: Origins of the Geometric Universe
- LESSON 2: Line Segments
- LESSON 3: Distances in the Coordinate Plane
- LESSON 4: Exploring Midpoint Quadrilaterals
- LESSON 5: Investigating Points, Segments, Rays, and Lines
- LESSON 6: Formative Assessment Day 1
- LESSON 7: Introducing Angles
- LESSON 8: Angle Measurements
- LESSON 9: Basic Constructions
- LESSON 10: Measuring to find Perimeter and Area
- LESSON 11: Finding Perimeter and Area in the Coordinate Plane
- LESSON 12: Geometry Foundations Summative Assessment Practice Day 1 of 2
- LESSON 13: Geometry Foundations Summative Assessment Practice Day 2 of 2
- LESSON 14: Introduction to Transformations