That Quiz
That Quiz: Practice Test: Angles
This resource allows users to test their knowledge of angles.
Math Medics
S.o.s. Math: Measure of an Angle
This lesson gives a tutorial on the measure of an angle. Includes sample problems and solutions.
PBS
Pbs Learning Media: What's a 360?
In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Right Angle Trigonometry
Fourteen problems present practice working with right angle trigonometry. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Cuemath
Cuemath: Angles
A comprehensive guide for learning all about angles with definitions, examples, and practice questions.
University of Texas
Inside Mathematics: Fair Play [Pdf]
This task challenges a student to demonstrate understanding of the concept of measurement.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Trigonometric Functions
Hotmath provides 24 practice problems relating to trigonometric functions. Each of the practice problems include a step-by-step guide for solving their function.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Trig Ratios
Investigate the cosine, sine, and tangent ratios of trigonometry using this interactive Learn Alberta math resource. Students will use these ratios to determine a right triangle's unknown side or angle. Be sure to follow the link to the...
TeachEngineering
Teach Engineering: Trigonometry via Mobile Device
Students investigate the relationships between angles and side lengths in right triangles with the help of materials found in the classroom and a mobile device.
TeachEngineering
Teach Engineering: Handheld Trigonometry
In addition to understanding the concept of similar right triangles and how they apply to trigonometric ratios, students explore a clinometer app, and discover how it can be used to test the mathematics underpinning trigonometry.
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.
E-learning for Kids
E Learning for Kids: Math: Pizza (Italian) Restaurant: Angles I
In this interactive website, students practice various math skills such as identifying different types of angles, use the degree symbol, estimate and measure angles, and construct angles.
CK-12 Foundation
Ck 12: Geometry: Supplementary and Complementary Angle Pairs
[Free Registration/Login may be required to access all resource tools.] Use reasoning to figure out the measures of missing angle measures
OER Commons
Oer Commons: Exploring Polygons
For this lesson, students explore different polygons by drawing them, measuring angles, and manipulating interactive sketches to find the angle sum for any polygon. Students also explore the angle measures in regular polygons. Included...
Texas Instruments
Texas Instruments: Angles of a Triangle
In this activity, students will measure angles and investigate the relationships between interior and exterior angles of a triangle. They understand the definition of interior angles, exterior angles, adjacent angles, supplementary...
OER Commons
Oer Commons: Four Types of Angles
In this lesson, students learn about four types of angles: adjacent, vertical, supplementary, and complementary. They explore the relationships between these types of angles by folding paper, measuring angles with a protractor, and...
Texas Instruments
Texas Instruments: Sum of Remote Interior Angles Equals Exterior Angle
Draw a triangle with exterior angle. Measure the exterior angle and each remote interior angle. Use the Alpha hand to check that the sum of the remote interior angles is always equal to the exterior angle.
Mathigon
Mathigon: Geometry: Circle and Pi: Degrees and Radians
Rather than dividing a circle into some number of segments (like 360 degrees), mathematicians often prefer to measure angles using the circumference of a unit circle - a circle with radius 1. This way of measuring angles is called...
Texas Instruments
Texas Instruments: Intersecting Lines and Vertical Angles
In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a...
Khan Academy
Khan Academy: Complementary and Supplementary Angles (No Visual)
Use complementary and supplementary angles to solve for a missing angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
CK-12 Foundation
Ck 12: Geometry: Vertical Angles Grade 7
[Free Registration/Login may be required to access all resource tools.] Identify adjacent and vertical angles formed by intersecting lines and then find missing angle measures.
CK-12 Foundation
Ck 12: Geometry: Vertical Angles
[Free Registration/Login may be required to access all resource tools.] Identify adjacent and vertical angles formed by intersecting lines and then find missing angle measures.
Khan Academy
Khan Academy: Vertical Angles
Use your knowledge about vertical angles to find missing angle measures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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