Congruent AnglesĬongruent angle pairs are angles that have the same degree measure. Show an example of supplementary angles on the whiteboard. While the measures of both types of angle pairs add up to 180 degrees, for two angles to qualify as linear, they must also be adjacent. Explain that we also define supplementary angles according to the sum of their degree measures, the difference being that the sum of the measures of supplementary angles is 180 degrees.ĭon’t forget to highlight the distinction between supplementary angles and linear angles. Introduce supplementary angles right after complementary angles, as these are similar. Demonstrate what complementary angles look like on the whiteboard. Complementary angles can form perpendicular lines or they can be two separate angles. Two angles are said to be complementary if the sum of their measures adds up to 90 degrees.
Point out that the measures of two angles of a linear pair always add up to 180 degrees. Illustrate linear angles on the whiteboard. Linear angles refer to two angles that are adjacent and whose non-common sides are opposite rays. Use the whiteboard to draw a pair of adjacent angles as an example. These are two angles with a common vertex and a common side, but with no interior points in common.
You can start by describing adjacent angles. Explain to children that angle pairs are simply two angles.Įxplain that by using our previous knowledge of angles, coupled with our knowledge of traits of parallel lines, we can explore the relations between angle pairs, that is, identify whether two angles are complementary, supplementary, congruent, vertical, adjacent angles or, a linear pair of angles.
The first thing to do when teaching angle pairs is to define what this concept is. In this article, we’ve compiled a few tips on teaching angle pairs. There are plenty of ways in which math teachers and homeschooling parents can help children become proficient in identifying angle pairs and solving angle-related equations. They then learn to use the relationships of angle pairs to find angle measures. In middle school, children learn to identify angle pairs, including supplementary, complementary, vertical, and adjacent angles.
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