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Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area lesson, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons. Students utilize...
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Lesson Plan
Curated OER

Chors, Secants, Tangents

For Teachers 9th - 12th
Pupils identify the relationship between chords, secants and circles. In this geometry lesson, students calculate the length of the chords. They sketch the secant lines on a circle.
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Lesson Plan
Curated OER

GPS Art

For Teachers 6th - 8th
Young scholars design their own logo or picture and use a handheld GPS receiver to map it out. They write out a word or graphic on a field or playground, walk the path, and log GPS data. The results display their "art" on their GPS...
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Lesson Plan
Curated OER

South Caro-angular

For Teachers 9th - 12th
Students classify and measure angles.  In this angular instructional activity, students measure, contruct, and classify angles.  They identify angles as acute, right, obtuse, and straight. 
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Worksheet
Curated OER

Christmas Tree Angles

For Students 5th - 8th
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
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Lesson Plan
Curated OER

Angle Action 1,2 and 3

For Teachers 8th - 10th
Young scholars investigate angles through construction. For this geometry lesson, students use a protractor to identify the measurement of an angle. They identify angles cut by a transversal and two parallel lines.
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Lesson Plan
Curated OER

Constructing Tangrams

For Teachers 6th
Sixth graders are introduced to how geometry and algebra are related. In groups, they graph various points on a coordinate plane and write the ordered pair for each quadrant. Using this information, they create their own tangrams to...
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Lesson Plan
Curated OER

Why are Bubbles Spheres

For Teachers 8th - 10th
Students calculate the surface area of different polygons. In this geometry instructional activity, students practice calculating the volume of spheres. They work with cones, cylinders and rectangular prisms.
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Lesson Plan
Curated OER

Area of Rectangles

For Teachers 7th
Seventh graders review the concept of finding the areas of a rectangle. This lesson uses the classroom as a real life application for the formula of area. They measure classroom in order to compute the area.
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Lesson Plan
Curated OER

Math is Beautiful

For Teachers 4th - 7th
Students explore how geometry is used on the composition of artworks by artists from different cultures. This lesson is equally suited for a Math or Art classroom at the late-elementary or early-middle school level.
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Lesson Plan
Curated OER

Mathematics in Robotics

For Teachers 10th - 12th
Students build and create using math. In this geometry lesson, students differentiate between congruent and similarity as they observe polygons. They create robots with different functions using properties of geometry.
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Lesson Plan
Curated OER

Solving Intercepted Arcs

For Teachers 9th - 11th
Students investigate circles and its arcs. In this geometry lesson, students identify the relationship between an circle and its intercepted arcs. THey identify the central and inscribed angles.
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Lesson Plan
Curated OER

Obtuse Triangles

For Teachers 4th
Fourth graders explore obtuse triangles. In this geometry lesson, 4th graders make obtuse triangles with paper and scissors. They determine how to find the center of their triangle.
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Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 8th - 12th
Students apply properties of Pythagorean to solve problems. In this geometry lesson, students identify the different parts of a right triangle using ratios. they solve problems using squares and square roots.
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Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Pupils differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Lesson Plan
Curated OER

Introducing Angles

For Teachers 6th
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
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Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 7th - 9th
Students identify properties of triangles. In this geometry lesson, students create triangles using three different segments. They make conjectures and predictions.
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Lesson Plan
Curated OER

Compass Designs

For Teachers 8th - 10th
Young scholars investigate the properties of two and three dimensional objects. In this geometry lesson, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
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Lesson Plan
Curated OER

Make a Box

For Teachers 10th - 12th
Young scholars use specific dimensions to create a box. For this geometry lesson, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
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Lesson Plan
Curated OER

CSI Investigation

For Teachers 8th - 10th
Students solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
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Lesson Plan
Curated OER

Triangles in Architecture

For Teachers 10th - 12th
Students find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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Lesson Plan
Curated OER

Identifying Lines of Symmetry

For Teachers 8th - 10th
Students calculate the lines of symmetry using polygons. In this geometry lesson, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Lesson Plan
Curated OER

Studying Special Segments in Triangles

For Teachers 8th - 10th
Students investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.

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