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Curated OER
Locating Rational Numbers on the Number Line
Students explore the concept of locating rational numbers on a number line. In this rational numbers lesson plan, students change improper fractions to mixed numbers to determine where on a number line the rational number belongs....
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. For this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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The Centroid : Balancing the History
Learners discover the centroid of a triangle based on Euclid's constructions. They explore locus of points of a median. They understand properties of the segments that form the median and areas of the smaller sections formed by the median.
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Conic Sections and Locii
Students differentiate between ellipse and hyperbola. In this algebra instructional activity, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
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Tracking Armadillo's Journey
Young scholars track a character's journey through different cities in Texas using the internet, a Promethean Board, and the educational program Keynote. This lesson is intended for upper elementary classrooms and includes a video...
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Going My Way?
Students, in groups, study how a magnet works and how people use the Earth's magnetic field to orient themselves.
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Graph Lab
Seventh graders explore bar graphs and pie charts. Given a pack of M&Ms, 7th graders explore the colors, sort the data in a frequency chart and then construct bar graphs and pie charts to categorize the M&Ms by color. Students...
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Physics: Electricity and Magnetism
Students draw series and parallel electrical circuits. In this electromagnet lesson, students describe how current changes depend on circuit components. Students use an OHT of a series and parallel circuit to predict the path...
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A Lesson on the Root Spiral
Students create lines and shapes with a compass and a straight edge. In this geometry lesson, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing mathematics and geometric...
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Triangles with Collinear Circumcenters
Students identify the circumcenter of a triangle. In this geometry lesson plan, students construct a perpendicular bisector using a straight edge and a compass. They differentiate between triangles and collinear points.
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Concurrent Lines in Triangles
High schoolers explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. High...
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Creating Perpendicular Bisectors
Students create perpendicular bisectors. In this geometry lesson plan,students use a straight edge and protractor to create a perpendicular bisector. They graph line on the TI and analyze it.
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Tangent Properties
Students explore properties of tangent lines. In this properties of tangent lines instructional activity, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius. Students...
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Pedal Triangles
Pupils identify the properties and theorems of triangles. In this geometry lesson, students construct angle bisectors using a compass and straight edge. They identify triangular similarity and congruency.
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Mr. Cobbler's Shoe Dilemma
Students employ statistics to solve real-world problems. They collect, organize and describe data. They make inferences based on data analysis. They construct, read, and interpret tables, charts and graphs.
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Shaping the News
Students explore television journalism. In this journalism lesson, students discuss the attributes of television broadcasting. Students then review their journalism code of ethics and then conduct research for stories that have a moral...
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Volcanoes
Second graders review the characteristics and aspects of volcanoes. Using this information, they write a creative story and draw illustrations to accompany the words. They use geographical terms to describe a location and the physical...
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Cardinal Directions
Pupils explore cardinal directions. In this social studies lesson, students create maps of home and school using the cardinal directions.
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Graphing Data Brings Understanding
Pupils collect, graph and analyze data. In this statistics lesson, students use circle, pie, bar and lines to represent data. They analyze the data and make predictions bases on the scatter plots created.
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Forces and Motion-The Downhill Racer
Learners calculate a toy car's velocity and acceleration. For this force and motion lesson, students build ramps and attach a dropper to a toy car, which is released down the ramp. Learners calculate and graph velocity and acceleration...
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How Healthy is the Wetland?
Students explore wetlands. In this ecology lesson, students visit a wetland site and collect data about the wetland functions. Students record their results and use the data recorded to rate the wetland site on its function.
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Design an Island
Students make a map of an imaginary island using the topographic symbols provided from a worksheet. Students place lakes, dwellins, reefs, etc. in areas where they would logically be located from understanding how the topography of an...
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Magnets, Electromagnets, and Motors
Students investigate the concepts of magnetism and its properties. They construct a magnet and test foods for iron content. Then students define the use of a motor and make their own electric motor while working in small groups. Then...
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Tops: Angular Motion
Young scholars observe different ways that objects spin. In this physics activity, students observe several objects spinning and use the new vocabulary words "rotate" and "revolve" to describe how the objects spin. The activity...