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Lesson Plan
Curated OER

Quadratics: Polynomial Form

For Teachers 9th - 12th
Students determine how to use the polynomial form of a quadratic equation to find the location of the vertex on a graph. They determine how changes in the coefficients in a quadratic function affect its vertex on a graph. Students find...
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Lesson Plan
Curated OER

Reflections

For Teachers 5th
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Lesson Plan
Curated OER

Tessellation Trial and Error

For Teachers 5th - 8th
In this interactive lesson, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create tessellations. They...
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Lesson Plan
Curated OER

Polyhedra

For Teachers 7th
Seventh graders explore the characteristics of three-dimensional figures. They compare the nets of figures. Students describe the relationship between the nets draw and the solid. They identify the vertices, edges and faces of the...
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Lesson Plan
Curated OER

Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
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Lesson Plan
Curated OER

How Many Regular Polyhedrons Are There In This or Any Universe?

For Teachers 7th - 12th
Young scholars examine the idea of "regularity" as it pertains to geometry.  For this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
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Worksheet
Curated OER

System of Axes

For Students 10th
In this system of axes worksheet, 10th graders solve and complete 1 word problem. First, they determine the figure shown in the illustration and set-up an expression. Then, students solve to find the shaded region of the diagram.
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Worksheet
Curated OER

Parabolas

For Students 8th - 9th
In this parabolas worksheet, students solve and complete 12 different types of problems. First, they draw a sketch of each equation shown. Then, students write the vertex form of each graph on the line provided.
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Lesson Plan
Curated OER

Parabolas

For Teachers 10th - 11th
Students review the definition of a parabola. They trace a parabola by locating points the same distance from a point as they are to a line. Students develop an equation for a parabola with its vertex at the origin. Students solve...
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Lesson Plan
Curated OER

Parabolas

For Teachers 11th - 12th
Students review four types of parabolas. They discuss y=x^2-4x. Students practice working this problem by completing the square. They identify the vertex, focus and directrix of the parabolic formula. Students work several problems...
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Lesson Plan
Curated OER

Math: Solving Area and Perimeter Problems

For Teachers 6th - 8th
Students visit www.explorelearning.com/ Website to solve problems in area and perimeter. Next, they locate the vertex of a quadratic equation. In groups, students construct application problems and exchange them with other groups to...
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Lesson Plan
Curated OER

Quadratics: Vertex Form

For Teachers 9th - 12th
Students practice graphing quadratic equations. They work to solve and equation involving finding the vertex using given formulas. Once their points have been graphed, students determine the direction in which the angle opens. Worksheets...
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Lesson Plan
Curated OER

Quadratic Functions

For Teachers 8th - 9th
Students graph quadratic equations on paper and check their results on the graphing calculator. They predict the direction of the graph and the vertex point. Students use the vertex, axis of symmetry and knowledge of which direction the...
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Lesson Plan
Curated OER

Lesson 5: The Quadratic Formula

For Teachers 9th - 12th
Students plot quadratic curves to distinguish how different values of a affect a graph. They solve quadratic equations by completing the square. Student's recognize the connection between the roots and the corresponding graph's...
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Lesson Plan
Curated OER

Parabola With Horizontal Directrix

For Teachers 8th - 9th
Students find the vertex, directrix, and focus of a parabola and graph parabolic functions. They solve problems involving parabolas after a demonstration lesson by the teacher.
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Lesson Plan
Curated OER

Parabola with Horizontal Directrix

For Teachers 9th - 11th
Students find the vertex, directrix, and focus of a parabola. They graph parabolic functions and solve application problems involving parabalas.