Curated OER
Finding the Sum of the Exterior and Interior Angles of a Polygon
Students find the sum of the angles of a polygon and construct a polygon given the number of sides. In this polygon lesson plan, students draw large polygons on the floor of the room. They measure the length of each side and the interior...
Curated OER
An Introduction to Angles
Students identify and create angles. In this angle measurement activity, students use sticks to make models of angles, then measure and name each angle.
Curated OER
Around The Stop Sign
Young scholars analyze a drawing of a regular octagon inscribed in a circle to determine angle measures, using knowledge of properties of regular polygons and the sums of angles in various polygons to help solve the problem. They use...
Curated OER
Parallel Lines and Types of Angles
In this angles and parallel lines worksheet, students solve 40 problems that pertain to parallel lines, supplementary, vertical, corresponding and alternate angles. There is instruction on the page with examples. This page is intended as...
Curated OER
Angles on a Line and on a Point
For this angles worksheet, students solve 24 problems pertaining to angle measurements on a line and on a point. There are also calculations of adjacent angles and supplementary angles. The page is intended as an online activity but can...
Curated OER
Angles: 90, 180, 270, 360 Degrees
In this geometry worksheet, students solve 4 problems in which an angle is analyzed. Students mark the correct choice for each angle: 1/4 turn, 1/2 turn, 3/4 turn or full turn. There are no examples or instructions.
Curated OER
Angle Measures-90, 180, 270 and 360 Degrees
In this angle measurement worksheet, students complete 4 multiple choice problems, determining whether given angles measure 90, 180, 270 or 360 degrees. A reference web site is given for additional activities.
Texas Instruments
Texas Instruments: Real Life Real World Activity Surveyor
Surveyors describe land parcels with distance and angle measurements, often given as compass headings. Once the boundaries of the land parcel are described, the surveyor can calculate the area of the land. This activity uses Cabri Jr....
![Arts Now Learning: A Perfect Sacred Sphere [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Arts Now Learning: A Perfect Sacred Sphere [Pdf] Lesson Plan")
ArtsNow
Arts Now Learning: A Perfect Sacred Sphere [Pdf]
In this lesson, 4th graders will explore protractors, rulers, balance both radial, and symmetrical, and concepts of angle measurements as they create their own mandalas.