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Lesson Plan
Curated OER

Basic Right Triangles

For Teachers 2nd - 4th
Elementary schoolers examine the attributes of triangles. In this triangle lesson, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...
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Lesson Plan
Curated OER

Dimension in Art

For Teachers 3rd
Third graders consider space and the techniques artists use to create three-dimensionality within a painting or drawing. They examine works by Millet, Bruegel and Demuth and then create original drawings that explore the effects of...
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Lesson Plan
Curated OER

Listen to a Shape

For Teachers 1st
First graders identify basic shapes (circle, square, rectangle, triangle) and describes the attributes of each. They use magazines to find examples of each shape, and then make a collage.
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Worksheet
Curated OER

Nets of 3-Dimensional Figures #2

For Students 5th - 6th
In this nets of figures worksheet, students determine which given shapes will make a shown net, then name the shapes uses. A reference web site is given for additional activities.
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Lesson Plan
Curated OER

Shape It

For Teachers 4th
Fourth graders use math software and geoboard paper to design basic shapes. They write individual definitions for the geometric shapes based on what they see in the shapes. They apply their background knowledge of the shape as they write...
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Lesson Plan
Curated OER

A Cylinder and Its Net

For Teachers 7th - 12th
Students sketch the nets for given polygons and cylinders. In this geometry lesson, students find the measurements that correspond with prisms, cones and cylinders. they identify parts of three-dimensional shapes.
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Lesson Plan
Curated OER

Pyramids on Parade/Nets

For Teachers 8th - 11th
Students sketch the shape of three dimensional pyramids using nets. In this geometry lesson, students differentiate a pyramid from other three dimensional shape. They define the attributes of pyramids.
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Lesson Plan
Curated OER

Exploring Secants: Products of Segments

For Teachers 9th - 10th
Students explore secants and circles. In this geometry lesson, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
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Lesson Plan
Curated OER

Surface Area of Cones

For Teachers 9th - 12th
Students find the surface area of cones. For this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.
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Lesson Plan
Curated OER

A Haring Holiday

For Teachers 3rd - 5th
Young scholars create a holiday ornament. In this Keith Haring art instructional activity, students use paper mache to make 3-dimensional ornaments that resemble his work. Young scholars cut out felt shapes of babies, dogs and angels...
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Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
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Lesson Plan
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University of Colorado

Patterns and Fingerprints

For Teachers 6th - 8th Standards
Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...
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Lesson Plan
Curated OER

If I Had a Robot

For Teachers 1st - 3rd
Learners study writing. In this creative writing lesson, students write a story about having a robot and make a three-dimensional robot to accompany their writing.
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Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
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Lesson Plan
Curated OER

Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
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Lesson Plan
Curated OER

Faces, Vertices, Edges

For Teachers 9th - 10th
Learners identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
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Worksheet
Curated OER

Making a Paper Cube Using a One Dimensional Net

For Students 3rd - 5th
In this geometry worksheet, students make a paper cube by following the directions given on the paper, They cut along the outside edge of the net, fold inward along the inside lines, and glue the flaps to hold the shape of the cube.
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Lesson Plan
Curated OER

Slimy Cells

For Teachers 7th - 8th
Students create three-dimensional cell models. They may choose to make either a plant or animal cell but must use a Ziploc bag as the cell membrane, slime for the cytoplasm, and strawberry baskets for the cell wall if making a plant...
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Lesson Plan
Curated OER

3-D Texture Painting (Impasto)

For Teachers 5th - 9th
A neat art project is on the horizon. Your class can experience impasto, or textured painting with this expressive art lesson. They design and then paint using the impasto technique. This is done by mixing toilet paper into the paint....
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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

Perimeter All Around

For Teachers 3rd - 5th
Students explore perimeter and area of regular and irregular polygons. They experiment with color squares and create different arrangements using the same number squares. Then they compare the area and perimeter measurements of each.
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Lesson Plan
Curated OER

Volume and Surface Area, A Sweet Activity

For Teachers 1st - 12th
Geometry.... sweet! Using sugar cubes, learners build rectangular prisms of different sizes and shapes. They glue them together and assess volume. Then they color the outer sides to visualize and compute surface area. To make a visceral...
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Lesson Plan
Curated OER

Marshmallow Geometry

For Teachers 3rd
Third graders create 2D and 3D shapes using marshmallows and toothpicks. In this geometry lesson, 3rd graders create their shapes and document the number of faces, edges, corners, angles, and sides. They share one shape and its...
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Lesson Plan
Pennsylvania Department of Education

Geoboards

For Teachers Pre-K - 2nd
Young scholars describe shapes to their classmates using specific properties and practice making triangles on geoboards. In this geoboards lesson plan, students use string on the geoboards.