Activity
Texas Instruments

Texas Instruments: Angles in a Polygon

For Teachers 9th - 10th
Students will expore the interior and exterior angle of 3 polygons and develop the formula to calculate the sum of degrees without the measurement of the angles being taken.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Riksjas, Toek Toek: Angles

For Students 4th - 5th Standards
Students will play interactive games to identify types of angles and measure the angles.
Lesson Plan
Google

Google for Education: Degrees and Radians

For Teachers 9th - 10th
Students label key points on the unit circle in both radians and degrees. They count their way around the circle in 30-degree increments, and then again in increments of radians. Finally, students go through a similar process for angles...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf.1 What Exactly Is a Radian?

For Teachers 9th - 10th Standards
For this task, students use a piece of string or another tool to measure the radius of the circle and then mark off the corresponding arc length on the unit circle as many times as they need to for 0, 1, 2, 3, 4, 5, and 6 radians. They...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Conversion Between Degrees and Radians

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Express a degree measurement in radians.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Bicycle Wheel

For Teachers 9th - 10th Standards
The purpose of this task is to introduce radian measure for angles in a situation where it arises naturally, in this case the movement of a bicycle wheel. Aligns with HSF-TF.A.1.
Website
PBS

Pbs Learning Media: Directions to Hen Rock

For Students 3rd - 9th Standards
The CyberSquad has to deal with angles and distances to locate a treasure chest in this video segment from Cyberchase.
Interactive
Other

Visnos: Interactive Clock

For Students Pre-K - 1st Standards
Determine the time, degree of angles, and fractions, using this interactive white board clock activity.
Activity
Texas Instruments

Texas Instruments: Math Today Coming Clean About Showering Time

For Teachers 9th - 10th
In this activity using the USA TODAY Snapshot, "Coming clean about showering time," students will find the measures of central angles and arcs of a circle. They will use circumference, radius, concentric circles and degrees in a circle...
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Pi Fight

For Students 9th - 10th Standards
Become comfortable with using both radians and degrees.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.3 the Unit Circle

For Students 9th - 10th Standards
Activities in this lesson explore how to identify the coordinates where special right triangles intersect with the unit circle in all four quadrants, use both degrees and radians to identify angles, and explore angles of different sizes...
Activity
University of Vienna (Austria)

The Graphs of Sin, Cos, and Tan Maths Online

For Students 9th - 10th
This applet allows the user to create the graphs of sin, cos, and tan by moving a scroll bar. The user can watch the unit circle and the graph simultaneously to see how the two are related. The user may also choose to see the angle...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Trigonometric Functions

For Students 9th - 10th Standards
Hotmath provides 24 practice problems relating to trigonometric functions. Each of the practice problems include a step-by-step guide for solving their function.
Activity
Texas Instruments

Texas Instruments: Dynamic Geometry: Basic Constructions

For Teachers 6th - 8th Standards
Students use the Cabri Jr. application to draw triangles and construct perpendicular bisectors on the sides of a triangles. They study the properties of a triangle and understand how the measures of angles of a triangle is always 180...
Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Often Used Values

For Students 9th - 10th
Northeast Parallel Architectures Center of Syracuse University provides a quick reference chart of the exact values of the sine, cosine, and tangent functions for the most common angle measrements in the first quadrant. Includes both...