Measure the Angle
Students measure angles. In this angle lesson, students draw angles. They use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse.
7th - 9th Math 3 Views 25 Downloads
Experiments with Inscribed Angles
Right angles, acute angles, obtuse angles, central angles, inscribed angles: how many types of angles are there? Learners first investigate definitions of inscribed angles, central angles, and intercepted arcs. The majority of the lesson...
9th - 10th Math CCSS: Designed
Find Angle Measurements Using Vertical Angles
Take on a different angle with this geometry activity, in this case, the vertical angle. Challenge learners to prove that vertical angles of two intersecting lines are congruent using the property of supplementary angles as modeled in...
3 mins 6th - 8th Math CCSS: Designed
Find Angle Measurements Using Complementary and Supplementary Angles
How can geometry learners remember the difference between supplementary and complementary angles? Not only will the video explain how to remember these two angles, but it also demonstrates how to find unknown angles knowing the degree of...
4 mins 6th - 8th Math CCSS: Designed
Find Radian Measure by Dividing Arc Length by Radius
In an approach that meshes higher-level thinking with approachable methods, this presentation walks that fine line between mathematical rigor and applications with skill. Not only are the specific steps for finding the radian measure of...
6 mins 9th - 12th Math CCSS: Designed