Math Open Reference
Math Open Reference: Angles
Everything you wanted to know about angles and more, including 1) how to measure angles 2) types of angles 3) angle relationships and 4) angles around a transversal.
Sophia Learning
Sophia: Measuring Angles With a Protractor
Students learn how to measure angles with a protractor. Detailed examples are included in the video lesson.
CK-12 Foundation
Ck 12: Geometry: Angle Measurement Grade 6
[Free Registration/Login may be required to access all resource tools.] Learn how to use a protractor to draw angles.
Science Struck
Science Struck: Devices Used to Measure Angles
Looks at the many devices used to measure angles in academic settings and in real-world settings.
Science Struck
Science Struck: How to Use a Protractor to Measure and Draw Angles
Step-by-step instructions accompanied by illustrations that demonstrate how to use a protractor to draw angles and to measure angles.
CK-12 Foundation
Ck 12: Geometry: Angle Measurement Grades 8 10
[Free Registration/Login may be required to access all resource tools.] Find angle measures using a protractor and the Angle Addition Postulate.
Khan Academy
Khan Academy: Review: Measuring Angles Review
Demonstrates how to use an interactive protractor to measure angle size. Includes three practice questions and explanations of their solutions.
Khan Academy
Khan Academy: Measure Angles
Measure angles using a protractor. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Using a Protractor
[Free Registration/Login may be required to access all resource tools.] In this learning module, students use a protractor correctly to measure angles. The proper technique for using a protractor is demonstrated in the accompanying...
Homeschool Math
Homeschool Math: Measuring Angles With a Protractor
This geometry lesson and video explain angle measure, how to measure angles with a protractor, and has varied exercises for the students.
Math Planet
Math Planet: Geometry: Measure and Classify an Angle
Explains the terms and symbols used to discuss line angles, what an angle is, and the types of angles. Includes short video lesson demonstrating how to use a protractor to measure an angle. [0:57]
Mr. Martini's Classroom
Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
E-learning for Kids
E Learning for Kids: Math: Russian Toy Store: Angles Ii
Students will play learning games to explore triangles, angles, and angle measurement.
Khan Academy
Khan Academy: Draw Angles
Use a protractor to construct angles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Geometry: Angles Study Guide
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
Khan Academy
Khan Academy: Angles in Circles
Practice measuring angles using a circle protractor, solve problems about angles as part of a circle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: Bearings
[Free Registration/Login Required] In this lesson the students select appropriate tools (e.g. compasses and protractors) to measure angles and analyze bearings (N, E, S, and W).
ClassFlow
Class Flow: Angle Measurement
[Free Registration/Login Required] This flipchart uses the protractor tool to understand the classification and naming of angles: acute, obtuse and right.
OER Commons
Oer Commons: Characteristics of Parallelograms
In this lesson, students learn more about the characteristics of parallelograms by folding paper and measuring the angles in a parallelogram. Students use a ruler and protractor to draw parallelograms with given properties. Then,...
Math Is Fun
Math Is Fun: Using a Protractor
Students learn how to construct and measure angles using a protractor and ruler. The resource consists of a video demonstration and exploration activity.
ClassFlow
Class Flow: Angles Protractor
[Free Registration/Login Required] This flipchart uses the interactive protractor to measure various angles.
E-learning for Kids
E Learning for Kids: Math: Riksjas, Toek Toek: Angles
Students will play interactive games to identify types of angles and measure the angles.
ClassFlow
Class Flow: Right Angles
[Free Registration/Login Required] This flipchart is designed to introduce the student to the concept of the right angle and to give the student practice in identifying right angles as well as measuring angles with a protractor.
ClassFlow
Class Flow: Introducing Angles
[Free Registration/Login Required] Students learn the difference between obtuse, acute and reflex angles and then use the protractor to measure various angles.