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Lesson Plan
Curated OER

Scenario Challenge

For Teachers 8th - 10th
Students create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
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Lesson Plan
Curated OER

Comparing Area and Perimeter

For Teachers 9th - 11th
Young scholars solve problems by finding the perimeter and area of an enclosed area. In this geometry lesson, students differentiate between the area and the perimeter. They see how they relate and how to use it to maximize an enclosed...
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Lesson Plan
Curated OER

Triangle Congruence

For Teachers 9th - 11th
Learners use web applet to create congruent triangles. For this geometry lesson, students differentiate between congruent and similar. They create shapes online and drag those shapes around to create visuals of triangles.
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Lesson Plan
Curated OER

A World of Symmetry

For Teachers 6th - 8th
Middle schoolers identify lines of symmetry.  In this symmetry lesson, students create objects and identify their lines of symmetry.  They answer questions about lines of symmetry.  Middle schoolers cut shapes out of cookie dough and...
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Lesson Plan
Curated OER

Octagon Lesson Plan

For Teachers 10th - 11th
Students investigate octagons using words and shapes. In this geometry lesson, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
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Lesson Plan
Curated OER

Volume

For Teachers 8th - 12th
Students, after reviewing the measuring of the lengths of sides of different shapes along with the calculation of their perimeters and areas, encounter what it means by the 'perimeter' of a polygon. They practice measuring units of...
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Lesson Plan
Curated OER

Matching Objects and Patterns

For Teachers 1st
First graders participate in hands-on activities and use objects to create patterns. They observe a PowerPoint lesson describing matching objects and patterns. In groups, 1st graders complete geometry computer activities such as planting...
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Lesson Plan
Curated OER

Mr. Bo Jangle, What's Your Angle?

For Teachers 3rd
Third graders explore angles. In this geometry lesson, 3rd graders identify and define acute, obtuse, and right angles. Students form angles with their bodies, find angles in picture books, and record angles found outside in their math...
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Lesson Plan
Curated OER

Symmetry in Paper Airplanes

For Teachers 5th - 8th
Students explore symmetry.  In this geometry and scientific inquiry instructional activity, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles.  Students measure the plane's angles using...
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Interactive
Curated OER

Yoplait with Areas and Volumes

For Students 9th - 12th
In this areas and volumes worksheet, students find the area of truncated cones and elliptical cylinders.  They find the area by using one of three methods:  the disk method, the shell method, and using geometry.  This one-page worksheet...
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Lesson Plan
Curated OER

Introducing Tessellations

For Teachers 6th - 12th
Students create tessellations to increase their knowledge of the applications of geometry. They explore the different shapes of polygons.
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Lesson Plan
Curated OER

Tessellations WOW!

For Teachers 3rd - 5th
Students identify and manipulate shapes to create tessellations. In these geometry/spatial relations lessons, the students use of a variety of modalities such as literature, music, writing, and art as introductions to the concept of...
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Lesson Plan
Curated OER

Footprints

For Teachers Pre-K - 1st
Students explore patterns.  In this patterns geometry lesson, students identify and extend patterns including body parts, movement, geometric shapes, noises, and footprints.  Students create and share an original pattern.
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Lesson Plan
Curated OER

Tantalizing Tangrams: What Are Transformations?

For Teachers 4th - 6th
Students use the Internet to learn about transformations and tessellations.  In this geometry lesson, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry.  Students...
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Worksheet
Curated OER

Wrecked Angle

For Students 9th - 10th
In this geometry worksheet, students answer questions about triangles and trapezoids as it related to the area of a shape. They make their own polygons and calculate the area.
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Lesson Plan
Curated OER

Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
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Lesson Plan
Curated OER

Areas and Volumes

For Teachers 10th
Tenth graders calculate the area and the volumes of polygons. In this geometry lesson, 10th graders review the formulas used to solve for the area and volume and explain to the class how they arrived at their answer. They search online...
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Lesson Plan
Curated OER

The Value of Volume

For Teachers 9th - 11th
Students measure the perimeter and area of their polygons. For this geometry lesson, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side lengths of triangles.
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Lesson Plan
Curated OER

Geogebra Basics

For Teachers 9th - 11th
Students identify basic geometric shapes using Geogebra. For this geometry lesson, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
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Lesson Plan
Curated OER

Tantalizing Tangrams

For Teachers 4th - 5th
Students create puzzles of animals based on the 12-animals cycle of the Lunar Calendar. They use logical or spatial relationship skills. Students comprehend the mathematical term geometry. They research the history, beliefs of the...
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Lesson Plan
Curated OER

Coordinate Connections

For Teachers 6th
Sixth graders complete several activities that involve coordinates and graph paper. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders draw and label a coordinate...
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Lesson Plan
Curated OER

Measuring Angles in a Quadrilateral

For Teachers 9th - 12th Standards
High schoolers explore quadrilaterals in this geometry lesson plan. They will draw a quadrilateral, measure the angles, and find the sum of the measures of the interior angles using Cabri Jr. The interactive capabilities of Cabri Jr....
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Lesson Plan
Curated OER

Inscribing a Circle in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
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Lesson Plan
Curated OER

Investigating Lengths of Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...

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