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Lesson Plan
Curated OER

Drawing a Perspective Floor

For Teachers 10th
Tenth graders investigate the three D world of building. In this geometry lesson, 10th graders investigate math as it relates to the real world, increasing their perspective on mathematical concepts. They realize there is more to math...
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Lesson Plan
Curated OER

Symmetry in Kaleidoscope Designs

For Teachers 9th - 11th
Students define reflection, rotation and symmetry. In this symmetry lesson, students move the graph around the coordinate plane and identify the line of symmetry. They identify the different designs of a kaleidoscope.
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Lesson Plan
Curated OER

Light Bounce

For Teachers 9th - 11th
Students solve problems involving triangles. In this geometry lesson plan, students apply properties of triangles to find the missing angles and sides. They identify angles of parallel lines cut by a transversal.
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Lesson Plan
Curated OER

Diagonals to Quadrilaterals II

For Teachers 8th - 10th
Students identify the properties of different polygons. In this geometry lesson plan, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
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Lesson Plan
Curated OER

Pushing Pivots

For Teachers 8th - 10th
Students calculate the area and diameter length of a circle. In this geometry lesson plan, students investigate the use of pivots as they review parts of a circle. They create a circle using cardboard and label all the parts.
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Lesson Plan
Curated OER

What's Your Design?

For Teachers 6th - 8th
Sixth grade learners: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
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Worksheet
Curated OER

The Isosceles Triangle Problem

For Students 10th
In this geometry worksheet, 10th graders solve a problem involving an isosceles triangle.  The problem appears to be deceptively easy, but instead requires the use of trigonometry to arrive at a correct solution.  The one page worksheet...
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Lesson Plan
Curated OER

Strongest Polygon

For Teachers 9th - 12th
Pupils define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Lesson Plan
Curated OER

Speedy Area

For Teachers 8th - 10th
Students calculate the speed, rate and distance. In this geometry lesson, students calculate the area and perimeter of polygons. They perform an activity with a CEENBoT and calculate the distance and speed.
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Lesson Plan
Curated OER

Determine the Coordinate of Transformations

For Teachers 8th - 11th
Students investigate transformation on a coordinate plane. In this geometry activity, students identify pairs of coordinates and their location on the grid. They perform rotation and reflection of each polygon.
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Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Young scholars explore geometry by participating in a shape rotation experiment. In this symmetry lesson plan, students identify the term symmetry and a list of other geometry vocabulary. Young scholars analyze shapes as they are turned...
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Lesson Plan
Curated OER

Calculating Distances in Two and Three Dimensions

For Teachers 9th - 11th
Young scholars use the Pythagorean Theorem to solve problems. In this geometry lesson, students solve for the distances by calculating the different parts of the shape of a two and three dimensional shape. They reason by analogy.
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Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
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Lesson Plan
Curated OER

Read, Recognize & Graph Integers

For Teachers 7th - 8th
Students explore negative and positive integers on a number line. They review a newspaper to determine careers that use positive and negative integers. In groups, they read and answer questions on "Lifestyles of the Rich and...
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Worksheet
Curated OER

Triangle Fundamentals Homework

For Students 9th - 10th
In this geometry activity, students identify the missing angles of non right triangles using the angle sum theorem. They solve for the unknown using algebra. There are 21 questions.
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Worksheet
Curated OER

Transformations Homework

For Students 9th - 12th
In this geometry worksheet, high schoolers transform a coordinate based on a reflection, translation, or dilation in order to obtain the image. There are 12 questions.
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Lesson Plan
Curated OER

Angle Pairs

For Teachers 9th - 10th
Students identify different angle pairs. In this geometry instructional activity, students identify the different angles of two parallel lines cut by a transversal. They identify the interior and exterior angles.
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Lesson Plan
Curated OER

Platonic Solids

For Teachers 8th - 10th
Students identify different types of polygons. In this geometry lesson, students differentiate between convex and regular shapes. they identify the names of two and three-dimensional objects.
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Lesson Plan
Curated OER

Where am I Located

For Teachers 8th - 10th
Students calculate and find a certain location. In this geometry instructional activity, students examine a coordinate plane for pair of coordinates. They calculate the distance between point using the distance formula and estimation.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry lesson plan, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Lesson Plan
Curated OER

Math Morphing Proximate and Evolutionary Mechanisms

For Teachers 9th - 12th
Students identify the different types of fractals. In this geometry lesson, students use math to analyze different biological phenomena. They collect data from the experiments and construct graphs.
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Lesson Plan
Curated OER

Coordinate Graphing

For Teachers 7th - 8th
Students practice basic coordinate graphing and plotting points on the coordinate axis. In this geometry lesson, students are introduced to ordered pairs, and the x and y axis.
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Lesson Plan
Curated OER

The Real Deal On Circles

For Teachers 5th
Fifth graders investigate circles and area. For this geometry lesson, 5th graders find the area, diameter and circumference of a circle. They estimate the data and then calculate it.

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