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Lesson Plan
Exploratorium

Exploring a Complex Space-Filling Shape

For Teachers 6th - 8th
Middle schoolers build a three-dimensional 12-pointed star as a geometric exercise. The shape is quite-difficult to construct. Luckily there is an excellent template that learners cut out, then use to make their pyramid. The second part...
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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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Lesson Plan
Curated OER

Shape Up

For Teachers 6th - 8th
Students explore differents types of triangles and quadriaterals. For this polygon lesson, students  model identify and compare two and three dimensional geometric figures. Students create tangrams and discover the difference between...
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Lesson Plan
Curated OER

Putting It All Together

For Teachers 6th - 8th
Students complete activities to learn about the shapes and their vertices. In this shape recognition lesson, students discover the rule linking the number of sides with the number of vertices for shapes. Students categorize...
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Lesson Plan
Curated OER

Point Comparisons

For Teachers 7th - 9th Standards
Young geometers investigate two-dimensional figures using coordinate grids. They identify polygons and draw examples of their reflection, rotation, and translation on a coordinate grid. And they complete a worksheet practicing examples...
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Workbook
1
1
University of Utah

Geometry Part 2: Measurement in 2- and 3-Dimensions, Plane Sections of Solids

For Students 7th Standards
What kind of tree does a math teacher climb? A geometry! Here is a lesson that includes all the geometry resources you could ever wish for in one comprehensive workbook. Class members demonstrate what they have learned by determining the...
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Lesson Plan
Curated OER

Dihedral Figures

For Teachers 6th - 12th
Middle and high schoolers perform transformations. In this web based lesson plan, learners explore dihedral figures. They use the web tools to translate, rotate, and reflect figures. Pupils identify lines of symmetry.
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Lesson Plan
Curated OER

Cubes Everywhere

For Teachers 6th - 7th
Students use cubes to construct and visualize two-and three-dimensional shapes to develop spatial thinking and review basic geometric principles through real-life applications. They are given the opportunity to build and build and take...
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Lesson Plan
Curated OER

Paper Maché Mancala Game Boards

For Teachers 7th
Seventh graders create three dimensional works of art from two dimensional plans, develop skills in papier-mach?? technique, utilize elements and principles of design to create 3-D form, and develop math/strategy skills in playing the...
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Lesson Plan
Curated OER

Geometrically Artistic/Artistically Geomtric

For Teachers 2nd - 8th
Students identify the two-dimensional geometric shapes Lowrey utilized in the painting Untitled. Students compare the two-dimensional shapes in terms of equivalent fractions, congruency, symmetry and asymmetry. Students create their own...
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Worksheet
Curated OER

Naming Geometric Shapes

For Students 5th - 8th
Name that shape! This simple worksheet has learners identify each geometric figure. They examine rectangular prisms, cylinders, rectangular pyramids, and hexagonal prisms. This one-page worksheet contains 8 problems, and the goals seems...
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Lesson Plan
National Security Agency

Classifying Triangles

For Teachers 4th - 8th Standards
Building on young mathematicians' prior knowledge of three-sided shapes, this activity series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
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Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
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Lesson Plan
Curated OER

Fill and Wrap It Up

For Teachers 6th - 8th
Students find the surface area and volume of the solid figures by measuring the length and the height of each face and base. They use concrete models to derive formulas for finding perimeter, circumference, area, surface area, and volume...
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Lesson Plan
Futures Channel

Folding Circles

For Teachers 7th - 12th Standards
Young scholars investigate properties of circles. For this geometry lesson, students differentiate between similarity and congruence as they observe polygons. They investigate properties of two and three dimensional shape.
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Lesson Plan
Curated OER

Building Big and Strong

For Teachers 6th - 9th
Middle and high schoolers explore the concepts of architectural rigidity. They analyze a variety of polygons, and explain why some shapes add more strength to structures than others. The PBS video, "Building Big," is utilized in this plan.
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Lesson Plan
Curated OER

Geometry Institute Lesson

For Teachers 6th - 8th
Students practice geometry skills. In this geometry lesson, students find the surface area of cubes and prisms, identify shapes on solids, and distinguish between 2-dimensional objects and solids.
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Lesson Plan
Curated OER

A Cone and Its Net

For Teachers 6th - 10th
Create and investigate nets for solid shapes with your class. They identify the different parts and faces of each polygon and solid then calculate the surface area and volume of cones. They use circle sectors of varying sizes to build...
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Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 6th - 8th
Students are introduced to the notion of surface area and volume. Students review surface area and volume by finding the area of a two-dimensional shape. They practice using the computer to create different surface area shapes.
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Lesson Plan
Illustrative Mathematics

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
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Lesson Plan
Curated OER

Volume and Surface Area: Which Is More?

For Teachers 6th - 8th
Young scholars explore the volume and surface area of three dimensional figures. Through the use of video, students discover three dimensional shapes, their uses in real-life applications, and methods used to calculate their volume and...
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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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Lesson Plan
Curated OER

A Rectangular Prism and Its Net

For Teachers 6th - 10th
Identify the nets for prisms and other geometric shapes. Learners calculate the surface area of the rectangular prism then sketch the shapes of prisms and other polygons. Unfolded cereal boxes are used as a visual aid, great idea!
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Lesson Plan
Curated OER

Know Your Polygons!

For Teachers 3rd - 8th
Students identify and categorize different polygons. For this polygons lesson plan, students research and identify properties of polygons,  identify different polygon shapes, and categorize different triangles and quadrilaterals.