Mathed Up!
Pie Charts
Representing data is as easy as pie. Class members construct pie charts given a frequency table. Individuals then determine the size of the angles needed for each sector and interpret the size of sectors within the context of frequency....
Scholastic
Study Jams! Measure Angles
Get a quick review on measuring angles with this step-by-step guide using a protractor. Watch the correct way to measure angles and finish with an assessment on correct techniques to measure special angles.
Curated OER
How Do You Find Missing Angles in a Triangle With Variables?
Are you working on finding the missing angles of triangles in your class? Consider this video. An instructor uses the triangle sum theorem to create an equation that helps her find the missing angles. She explains each step and writes...
Curated OER
Common Angle Measures
Using a circle with clock like hands, the tutor explains common angle measurements. She shows that a full circular rotation equals 360 degrees, a quarter rotation equals 90 degrees, a three-quarters rotation equals 270 degrees, and a...
Curated OER
How Do You Find Missing Angles in a Triangle With Variables?
Are you working on finding the missing angles in triangles in your class? Consider this video. An instructor uses the triangle sum theorem to create an equation that helps her find the missing angles. She explains each step and writes...
Virtual Nerd
What are Interior and Exterior Angles of a Polygon?
Break down interior and exterior angles with this video. Using a pentagon, a teacher demonstrates how to find the interior and exterior angles of a polygon. She goes on to explain a few of the properties of these angles, writing down all...
Corbett Maths
Measuring Angles
Measure how well you know how to measure angles. Learners learn how to measure angles using a protractor. They watch a video that walks through a couple of examples of determining angle measures.
Curated OER
What are Acute, Obtuse, Right, and Straight Angles?
Angles are identified by the measurement of their angles. Well, that would make sense. The instructor illustrates four different angles and their names by identifying their degrees. Zero to less than 90 degrees is an acute angle, while...
Curated OER
Measuring Instruments for Physics-PROTRACTOR
For measuring angles, use a protractor. Using this tool accurately is a valuable skill for your physics stars. This brief video clip can be used to teach your class how to measure correctly.
Math Mammoth
Math Mammoth: How to Use a Protractor to Measure and Draw Angles
Models how to use a protractor to measure and draw angles. [9:51]
Khan Academy
Khan Academy: Measuring Angles Using a Protractor 2
Demonstrates how to use a protractor to measure angles. [4:05]
Khan Academy
Khan Academy: Measuring Angles in Degrees
Explains what a protractor is and how it is used to measure the size of angles. Also discusses the different types of angles. [8:23]
Khan Academy
Khan Academy: Decomposing Angles
Video lesson explains how to find the measure of an angle using addition. [3:04]