Lesson: Types of Lines

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Lesson Objective

SWBAT identify lines, line segments, rays, perpendicular, intersecting, and parallel lines.

Lesson Plan

 

State Standard:

5.G.2

Standard Name:

3-D Shapes

Objective:

SWBAT identify lines, line segments, rays, perpendicular, intersecting, and parallel lines.

Essential Question:

Where do you see different types of lines in the world around us?

Word Wall Words:

Perpendicular, intersecting, parallel

Do Now:

Draw all 6 types of lines we will be discussing today and see which ones students can identify. Have them describe the difference between each type of line. For example, one has a dot on one end and an arrow on the other, and another has dots on both ends.

Opening:

We have just drawn several different types of lines, but today we are going to talk about the different things that they mean.

Direct Instruction:

First, teach students the hand signals that go with each line. For a lines, hold out both arms parallel to the ground with index finger pointed out. For line segement, hold arms the same way but make a fist with both hands rather than pointing out. For a ray, have a fist on one hand and a finger pointing out on the other. For perpendicular, hold up both arms intersecting at 90 degree angles; for intersecting lines, have two arms intersect – can make 90 degree angles or not. And parallel lines, hold two arms going parallel.

 

Guided Practice:

Call out a type of line, and the students have to hold up the right arms. Start out slow and get faster.

Independent Practice:

Complete worksheet identifying the different types of lines.

Math Journal:

 

Closing:

Quickly review the types of lines with arm motions.

Center Options:

 

 

Differentiation:

Have pictures of the different lines at struggling students desks.

Lesson Resources

Points Lines Rays Practice   Classwork
723

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