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Lesson Plan
Curated OER

Marshmallow Geometry

For Teachers 3rd - 6th
In this three-dimensional shapes geometry lesson, learners identify geometric solids and name their properties. They define "face," "edge," and "vertex," and construct geometric solids using marshmallows as vertices and toothpicks as edges.
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Assessment
Mathed Up!

2D and 3D Shapes

For Students 6th - 9th Standards
What a great assessment to give young mathematicians in order to test their knowledge on two- and three-dimensional shapes. Learners name various shapes, identify the number of edges, faces, and vertices, match an unfolded version of a...
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Worksheet
Curated OER

Three Dimensional Figures

For Students 3rd - 5th
In this geometry worksheet, students study diagrams with labels of common geometric figures. Students then answer 24 questions. Then they draw and label their own figures.
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Lesson Plan
Curated OER

3-D Attributes

For Teachers 4th - 6th
Learners explore geometric solids. In this geometry activity, students listen to the book The Greedy Triangle by Marilyn Burns, then work in groups to sort geometric solids into various categories. Learners define geometric solids...
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Lesson Plan
Curated OER

Pyramids & Prisms: Guler's Formula

For Teachers 6th
Sixth graders compare and contrast two-dimensional shapes to three-dimensional shapes. After watching a demonstration, they make their own shapes using nets printed on paper. To end the lesson plan, they use the shapes they made and...
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Lesson Plan
Curated OER

Chopping Cubes

For Teachers 6th - 8th Standards
Middle schoolers work in small groups to make various geometric solids with Play-Doh. They use fishing line to make cuts and observe the shapes of the cross-sections. Pupils complete an assessment in which they answer questions such as:...
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Lesson Plan
Exploratorium

Rotating String Shapes

For Teachers 3rd - 5th
Here is a very interesting way of studying triangles and polygons. Pupils work together and use pieces of string to create a variety of shapes. Depending on how many kids are manipulating the string at any one time, the number of...
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Lesson Plan
Exploratorium

String Shapes

For Teachers K - 2nd
You'd never have guessed it, but simple pieces of string make a fabulous manipulative for the study of geometry! In the fine lesson plan here, young mathematicians use string to make a variety of polygons. Pupils sit in various...
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Worksheet
Kuta Software

Identifying Solid Figures

For Students 4th - 6th Standards
Reinforce basic geometry skills in an elementary math lesson. A simple worksheet prompts learners to identify and label 3-D shapes.
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Worksheet
Curated OER

Prisms, Cylinders, Cones

For Students 9th - 12th
In this prisms worksheet, students answer 10 multiple choice problems about prisms.  Students determine the number of faces a prism has, characteristics of figures, etc.
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Worksheet
Curated OER

Match Game: Enrichment

For Students 4th - 5th
In this solid figures worksheet, students choose a shape from the box that fits the bar graph totals for the faces, edges, and vertices. Students then complete the last bar graph using the one unused shape.
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Worksheet
Curated OER

Geometry Assessment: Solid Figures

For Students 5th - 6th
In this geometry assessment activity, students match the drawing of two faces of the solid to the name of the solid for six geometric figures.
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App
Oleh Yudin

iCrosss

For Students 5th - Higher Ed
Did you know that a soccer ball is very similar to a truncated icosahedron? Both have 32 faces, but while a truncated icosahedron is made up solely of flat hexagons, a traditional soccer ball has 12 pentagons and 20 hexagons, each curved...
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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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Interactive2:10
Scholastic

Study Jams! Classify Quadrilaterals

For Students 3rd - 6th Standards
Face the vertex of two-dimensional shapes and discover what each figure requires as part of its classification. With one shape per slide, learners see what makes each shape special and compare it to others with similar qualities. 
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Worksheet
Curated OER

Countdown Challenge: Platonic Solids - Part I

For Students 7th - 8th
Use a Platonic solids worksheet to record the number of faces, edges, and vertices of five polyhedra whose faces, edges, and vertices are all identical. For each figure, learners write a proof of Euler's formula (F+V=E+2). They create a...
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Lesson Plan
Curated OER

I've Seen That Shape Before

For Teachers 2nd - 6th
Learners identify geometric solids.  In this shape lesson, students explore the characteristics of geometric solids.  They locate pictures of shapes on the internet, and identify the shapes.  Learners draw pictures of shapes, take...
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Interactive
Annenberg Foundation

Geometry 3D Shapes: Platonic Solids

For Students 6th - 10th Standards
From polyhedrons to platonic solids, here is a lesson that will have your classes talking! As an introduction to platonic solids, scholars cut and fold nets to create the three-dimensional solids. They use an interactive component to...
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Worksheet
Curated OER

Hexaflexagon Worksheets

For Students 10th - 12th
In this geometry worksheet, students fold paper to make a hexaflexagon. They identify the vertex and all six sides after folding and making their shape. This assignment requires 25 triangles and 19 perfect triangles.
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Lesson Plan
Curated OER

Edible Geometry

For Teachers 6th - 8th
Students examine a chart that lists the main characteristics of polygons and 3 dimensional figures. They make examples of the polygons and figures using pretzels and gum drops showing how the gum drops are vertices and the pretzels are...
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Worksheet
Curated OER

Euler's Theorem

For Students 10th
For this Euler's Theorem worksheet, 10th graders solve and complete 15 various types of problems. First, they find the distance and midpoint of a segment given its endpoints. Then, students identify the number of vertices, edges, and...
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Lesson Plan
Curated OER

Third Grade Geometry

For Teachers 3rd
Third graders describe 2D and 3D shapes. In this geometry lesson, 3rd graders watch a PowerPoint presentation showing the terms used when analyzing shapes: vertex, edge, angle, side, and face. They compare shapes to see what they have in...
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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

Identifying and Classifying Solid Figures

For Teachers 4th - 6th
Students identify solid figures. In this classification lesson, students recognize and name solid figures. Students identify which figures contain polygons and rectangles. Students practice counting vertices, faces and edges.

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