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Curated OER

Radian Measure

For Teachers 9th - 12th Standards
Young mathematicians identify central angles, arcs and radius of circles in this pre-calculus lesson. They identify the proportion of the circle based on its radius while they convert between degrees and radians measurements.
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Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Students find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate the...
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Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 6th - 8th
Students study geometric terms related to circles and solve the problem posed in the book.
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Lesson Plan
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Dedication to Douglass

For Teachers 6th - 12th
Students study the controversy surrounding the proposed Frederick Douglass Circle monument in Central Park. They review the notion of historical inaccuracy by reading and discussing the article, "In Douglass Tribute, Slave Folklore and...
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Lesson Plan
Curated OER

Hula Hoop Biodiversity

For Teachers 3rd - 6th
Learners determine the biodiversity in a variety of different areas. They record everything they can about their site- including drawing a picture of all the different plants they see in their hula hoop, in the circle on their page.
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Lesson Plan
Curated OER

The Value of Volume

For Teachers 9th - 11th
Students measure the perimeter and area of their polygons. In this geometry instructional activity, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side...
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Angles and Arcs

For Teachers 9th - 12th Standards
Students identify the relationship between angles and arcs. For this geometry lesson, students rotate and move the circle around to create different arcs on the TI-Navigator. They differentiate between major and minor arcs.
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Arc Length and Sectors

For Teachers 9th - 12th Standards
Find the length of an arc. High schoolers relate central angles to the area and length of a sector and graph circles on the TI to make predictions.
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Lesson Plan
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A Classical & Relativistic Trip to a Black Hole

For Teachers 9th - 12th
Students calculate distance, velocity, acceleration and time on their fantasy trip to the black hold. They apply Newton's Laws of Motion and calculate circular motion. They discuss any questions that may arise.
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Lesson Plan
Curated OER

Interpreting Data and Statistics

For Teachers 9th - 11th
Students define random sample and complete surveys. In this algebra lesson plan, students create surveys and define the way people analyze these results. They discuss random sample as it relates to the Great Depression and come up with...
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Who Am I? the Web of Life ... With a Twist!

For Teachers 4th - 8th
Students are assigned a secret species identity. They identify with the help of the other players. Once all identities have been deciphered, players form a circle and, by passing a ball of yarn from "species to species", they form...
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Nibble, Nibble, Little Mouse

For Teachers 7th - 9th
Students complete activities to analyze points of view in different texts. In this point of view lesson, students read Hansel and Gretel and The Magic Circle and discuss the points of view. Students choose a character from the story and...
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Curated OER

Positive and Negative Angles and Arcs

For Teachers 9th - 12th Standards
To better understand that the intersection point of two lines lies inside a circle, learners use their keen measurement skills. They discuss arcs, rays, tangent lines, and reflex angles. Then, they put their skills to work as they...
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Curated OER

Trigonometric Ratios

For Teachers 9th - 12th Standards
Learners investigate properties of the unit circle using sine, cosine and tangent. They analyze the answers to questions about the unit circle based on a right triangle.
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Tomb Robbers

For Teachers 6th
Sixth graders examine benchmark angles embedded into a circle grid and examine how grid systems do not always have to be square. the game "Tomb Robbers" is used to develop strategies.
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Oil Search

For Teachers 9th - 12th
Students participate in a mock oil search game and attempt to find "oil" in a model oil field. They drill initially based on random guessing, but each time they drill they use prior knowledge to determine where to drill next. They must...
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Curated OER

FAMOUS NAMES

For Teachers 10th - 12th
Learners study some important people and events in French culture. They complete a worksheet and circle every item that is associated with France. They respond to written cues identifying the country's language and culture.
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Decisions, Decisions, Decisions

For Teachers 5th - 6th
Students examine graphs to find the most appropriate for various kinds of data.  In this graphing instructional activity, student create bar, line and circle graphs.  Students create graphs electronically and manually interpreting the data.
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Current Contexts

For Teachers 6th - 12th
Students examine how they are affected by world affairs. After reading an article, they examine Otto Frank's attempts to immigrate to America. Using the New York Times, they identify examples of news, advertisements and photographs...
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Flowers and a Beautiful World: Earth Day (1st)

For Teachers K - 2nd
Students consider caring for their environment. In this environmental stewardship lesson, students read Miss Rumphius and discuss how sharing their time, talent, and treasure through volunteering makes the world better.
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How to Build an Electric Motor

For Teachers 6th
Sixth graders build a working motor. In this lesson on motors, 6th graders use an inquiry method of learning to discover how to create a working electric motor with the supplies given to them. The teacher will guide them as needed....
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Teddy Bear Picnic

For Teachers Pre-K - K
Young scholars sit in a circle with their bears from home, each child introduces their bear, then students examine all the bears and think of one way that they can be sorted.
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Lesson Plan
Curated OER

Ghostbusters (tossing & catching scarves)

For Teachers K - 2nd
Students play a game with scarves to practice throwing and catching. They each have a scarf, sit in a circle, and sing a ghost-related song, playing various scarf tricks at the same time.
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Lesson Plan
Curated OER

Kindergarten: Geometry in Our World (Centers)

For Teachers K
Students identify attributes in real-life objects and models of solids and connect these attributes to characteristics of shapes such as circles, triangles, squares, and other rectangles. They discuss the ability of the object to roll,...

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