Space Awareness
Seasons Around the World
Why does Earth experience summer, fall, winter, and spring? Using an informative demonstration, learners see how the angle of the sun on Earth and the rotation of Earth determine the seasons. Scholars work in pairs to learn that the...
Mathematics Assessment Project
Octagon Tile
A connecting-the-dots activity seems too easy for seventh grade but connecting vertices may prove a challenge. Class members first examine a figure created by drawing squares around the inside of an octagon and connecting the...
Noyce Foundation
Once Upon a Time
Examine the relationship between time and geometry. A series of five lessons provides a grade-appropriate problem from elementary through high school. Each problem asks learners to compare the movement of the hands on a clock to an angle...
Concord Consortium
Pendulum
Add some zing to your swing! Explore pendulum motion through an engaging interactive. Physical science scholars specify the pendulum's mass, rod length, and starting angle before they observe the resulting angle graph.
Illustrative Mathematics
Paper Clip
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Curated OER
Angles in Art Lesson
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
Curated OER
Classify and Measure Angles #3
In this angles worksheet, learners classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Classify and Measure Angles #5
For this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Classify and Measure Angles #1
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Classify and Measure Angles #2
In this angles worksheet, learners classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Inscribed Angles
In this inscribed angles worksheet, 10th graders solve 11 different problems that are related to determining the measurement of various inscribed angles. First, they name the intercepted arc for an angle, the inscribed angle, and the...
Curated OER
What Is Your Angle?
Students explore the concept of angles by interacting with numerous types of measurements. They create index cards with different angles. Then they pass the cards around to other students for comparison and measurement. They practice the...
Curated OER
Measurement of a Central Angle
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.
Curated OER
Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust lesson, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
Curated OER
Angles of Elevation and Depression
In this angles of elevation and depression learning exercise, 10th graders solve 4 word problems that are related to determining the angles of elevation and depression. First, they define angle of elevation and angle of depression as...
Curated OER
Exploring Angles
In this exploring angles worksheet, 10th graders solve 6 various problems of geometry by identifying various types of angles. First, they use the figure shown to list all the angles that have W as the vertex and then, name the straight...
Curated OER
Angles and Parallel Lines
In this angles and parallel lines instructional activity, 10th graders solve 12 different types of problems that include measuring various angles and parallel lines in given figures. First, they find the measure of each angle using the...
Curated OER
Angles and Arcs
In this angles and arcs worksheet, 10th graders solve 8 different problems that relate to determining the measure of various angles and arcs of a circle. First, they define a central angle and the difference between a major and minor...
Curated OER
Exploring Angles
In this exploring angles worksheet, 10th graders solve 12 various types of problems that are related to measuring various angles. First, they name the vertex of an angle and determine whether it appears to be acute, obtuse, right, or...
Curated OER
Polygons - Sum of Interior Angles
In this polygon instructional activity, students determine the sum of the interior angles of a figure. Given the sum of the interior angles, they determine the number of sides of a polygon and the measure of one central angle. This...
Curated OER
Angles of Elevation and Depression
In this angles of elevation and depression worksheet, 10th graders solve 6 word problems that include finding angles of elevation and depression. They solve each problem, rounding the measures of segments to the nearest hundredth and...
Curated OER
Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
Curated OER
Measuring Spider Web Angles
In this mathematics worksheet, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
Curated OER
Angle and Radian Measure
In this angle and radian measure worksheet, students find the measurement of a central angle. Students determine the speed of rotation, linear speed of a point, and radians per second. This two-page worksheet contains twelve problems. ...
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