Curated OER
Graphing With RXTE
Students use data from the Rossi X-ray Tiiming Explorer (RXTE) satellite to analyze and graph.
Curated OER
Surfing to the Planets on the Internet
Seventh graders explore the planets using computers and other forms of electronic technology. They research data on two planets and compare the data. Students make conclusions regarding the size of their planets. They calculate how long...
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Investigating the Idea of Tan
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
Curated OER
Trigonometric Applications Outside the Classroom
Fifth graders describe and demonstrate how trigonometry can be used to find the height of a tall building or tree. They describe and demonstrate how trigonometry can be used to find the height of a high hill, or other high object where...
Curated OER
Algebra I: A Draining Swimming Pool
Students analyze and develop symbolic representations to describe the amount of water left in a pool being pumped out after a given amount of time, with various pumping rates and initial quantities of water in the pool.
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Angle Pairs
High schoolers practice identifying right, vertical, and adjacent angles using a Smartboard. They then determine measurements of all of the angles when only one measurement is given.
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The X-33 and the X-38
Learners explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
Curated OER
Exploring Centers of Triangles
Students explore properties of triangles using angle bisectors, incenters, circles, midpoints, and altitudes. They use Geometer's Sketchpad in order to create triangles and their properties.
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The Designed World
Students manage and retrieve numbers and letters that are logically sorted. In this logical information lesson, students do the flood game from the PBS website. Students answer questions about library books.
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Irregular Fractals
Students explore the concept of irregular fractals. In this irregular fractals lesson, students discuss how to find fractal dimensions through teacher led discussion. Students calculate fractal dimensions of various fractals.
Curated OER
Cut, Construct and Think 3
Students identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
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Cut, Construct and Think - 4
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
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Cut, Construct and Think - 6
Pupils identify polygons and calculate perimeter. In this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Curated OER
The Design Revolution: Get the Word Out
Students research the "Design for the Other 90%" exhibition and create a presentation about the low cost designs. In this design lesson, students read and watch a video about the project. Students survey people about publicizing events....
Curated OER
Cracks on the Walls
Students observe the cracks in school walls and pavements. In this geometry lesson, students explore the factors to be considered before building a structure. They complete a graphing and calculation worksheet after the lesson.
Pennsylvania Department of Education
Alike and Different
Students compare and contrast objects and are introduced to a Venn Diagram. In this alike and different instructional activity, students make observations regarding properties of objects. Students classify object and build ideas about...
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