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Lines, Line Segments, and Rays. By Mr. Bales. Objective. By the end of the lesson, you will be able to identify, describe, and classify lines, line segments, and rays. Standard 4MG3.1 - Students will identify lines that are parallel and perpendicular. B. A. What in the World are Lines ?.
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Lines, Line Segments, and Rays By Mr. Bales
Objective • By the end of the lesson, you will be able to identify, describe, and classify lines, line segments, and rays. • Standard 4MG3.1 - Students will identify lines that are parallel and perpendicular.
B A What in the World are Lines? • A line is a group of points on a straight path that extends to infinity. • You would label this AB or BA
X Y Thank you Andrew for Asking about Line Segments!! • Aline segmentis a part of a line that has two end points. • How many end points Natalie? • The two end points of the line segment are used to name the line segment. This line segment is called segment XY or YX.
D C Wow! Great Question Ty!! He asked, “What are Rays? • A ray is part of a line. It has one end point and extends to infinity in one direction. • A ray is named starting with its end point first and then any other point on the ray second. • So, it would be labeled CD
Can you label it correctly? A B X Y Can you label it correctly? Can you label it correctly? G H Pop Quiz!!!! No Need to Thank Me! It’s My Pleasure! • What is this called…. • What is this called… • What is this called…
Types of Lines • We can describe lines, rays, and line segments by the way they meet or cross each other. • Let’s hear from someone know as they describe a couple of line segments. • Mrs. Benson!!
B D C A Parallel Lines • Parallel lines are always the same distance apart. They never meet. • AB ll CD
C B D A Intersecting Lines • Lines that meet or cross each other are called intersectinglines. • AB intersects CD
A C D B Perpendicular Lines • Lines that meet or cross each other to form right angles are called perpendicular lines. • AB CD
Assignment • Page 396 - # 6 - 20 • Get them all correct, No Math Homework