# 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 897