It also contains excellent illustrative examples. In addition, this video teaches students about parallel and perpendicular lines through a song. For instance, this video by Khan Academy is a good resource with step-by-step instructions and illustrations on parallel and perpendicular lines. You can also enrich your lesson with multimedia materials, such as videos. How many pairs of perpendicular lines did they identify? The drawing can look like this: Ask students to identify which lines are perpendicular by relying on what they’ve learned so far on perpendicular lines. Then, draw several lines, some of which are perpendicular and others aren’t. Draw an example of perpendicular lines on the whiteboard, for instance: They form right angles when they cross each other. How many pairs of parallel lines did they identify? The drawing can look like this:Įxplain that perpendicular lines are two lines that intersect each other. Ask students to identify which lines are parallel by relying on what they’ve learned so far on parallel lines. Then, draw several lines, some of which are parallel and some of which aren’t. Illustrate parallel lines by drawing an example on the whiteboard. Point out that parallel lines always stay the same distance apart. You can define parallel lines as two lines that will never intersect or cross each other. What Are Parallel Lines?Īfter the brief bell-work, you can proceed by explaining what parallel lines are. In addition, you can refer to this article where you’ll find more tips and activities focused on the undefined terms of geometry. If you notice that there are students who are still struggling with this, you can use this video to review these geometry terms. For instance, you can draw a few such terms on the whiteboard, and ask students to identify them. So a good place to start when teaching parallel and perpendicular lines is a quick review of earlier lessons on the undefined terms of geometry and angles.
To understand parallel and perpendicular lines, students need to understand these earlier terms.
#Parallel lines definition how to#
In earlier lessons, students have learned how to draw and identify points, lines, planes, line segments, and rays, as well as angles, including right, acute, and obtuse angles. Math teachers can use different strategies to make these early geometry lessons fun, and today we’ll share a few such awesome strategies that will help you achieve this! Use these cool strategies and you’ll have students drawing parallel and perpendicular lines in no time! Strategies for Teaching Parallel and Perpendicular Lines
Once fourth-grade students are confident in their knowledge of the undefined terms of geometry, including planes, points, and lines, you can move on to teaching parallel and perpendicular lines.
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