Curated OER
Introduction to Inverse Functions
Students investigate patterns of inverse functions. In this algebra instructional activity, students represent functions with the calculator and on paper. They analyze their data and draw conclusions.
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The Minimal Distance Point from the Vertices of a Triangle
Students calculate the distance from the vertex of a triangle to the center. In this geometry lesson, students find the shortest distance between a point and the vertex of a triangle. They relate this concept of distance to the real world.
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Exploring Special Lines
Students compare and order numbers. In this geometry lesson, students write equations for inequalities. They differentiate and apply concepts of triangular properties to solve problems.
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Secant Line Approximation of the Tangent Line
Students perform operation with secant and tangent lines. In this calculus instructional activity, students find the derivative and relate it to the slope of a line. They differentiate between secant and tangent as they intersect a...
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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.
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Arc Measurement Based on The Measurement of a Central Angle
Students define keywords that are important to solve problems. In this geometry instructional activity, students find the arc length and angle of a circle. They convert between radians and degrees.
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Conjectures of Intersecting Circles
Students make conjectures of intersecting circles. In this geometry lesson, students observe circles and their position in space. They investigate and observe two and three dimensional objects.
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Conjectures For Intersecting Circles
Young scholars identify properties of circles. In this geometry lesson, students identify the center of two intersecting circles.They use Cabri software to create circles and move it around to make observation.
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Circle, Secants
Students identify the secant segment of a circle. In this geometry instructional activity, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
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Exploring Secants: Products of Segments
Learners explore secants and circles. In this geometry lesson, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
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Exploring Chords: Products of Chord Segments
Learners identify the properties of chords. In this geometry lesson, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
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Product of Chord Segments
Students creating chords intersection using circles. In this geometry lesson plan, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
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Technology Integrated Lesson
Young scholars investigate symmetry in the real world. In this geometry instructional activity, students inter-relate math and technology. They create and name a variety of polygons.
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Area and Measurements
Students measure the area using feet and yard. In this algebra instructional activity, students draw and manipulate shapes to calculate the area. They measure the relationship of area between the two units.
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Patterns and Functions
Students investigate patterns and functions. In this algebra lesson plan, students examine the repetition of integers and objects. They create formulas for the repetition and identify them as function using equations.
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Who Does the Lottery Benefit?
Students investigate the pros and cons of the lottery. In this algebra activity, students use the formulas for permutation and combination to test their arguments about the lottery. They collect data about their argument and plot it on a...
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Using Concept Maps to Design 3D Spheres
High schoolers create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
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Parallel-o-Home
Learners investigate the usage of parallel and perpendicular shapes in the real world. For this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot...
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In 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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Hot Wheels
Students observe the action produced by toy cars. In this geometry lesson, students discuss motion and distance as they relate to the movement of a spherical object.They collect data and make conjectures based on their data.
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Sectors of Pizza
Students identify the properties of a circle. In this geometry lesson, students relate properties of diameter to sections of a pizza. They calculate the measure of an arc and missing angles.
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Special Right Triangles
Students identify the different parts of a right triangle. For this geometry lesson, students use the Pythagorean Theorem to identify missing sides and angles of a right triangle. They work with irrational and rational roots.
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Surface Area of Spheres
Learners identify the properties of a sphere. In this geometry instructional activity, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
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Diameter, Radius and Area
Students calculate the diameter, radius and area of a circle. For this geometry lesson, students investigate the different ratios of a circle. They calculate the surface are of each circle.
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