Worksheet
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Cylinder Net

For Students 4th - 5th
In this math worksheet, students learn the shape of a cylinder by constructing a model using this net pattern. Students cut, fold and tape the pattern to make a 3D cylinder.
Lesson Plan
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Toe to Toe Geo

For Teachers 2nd - 6th
Students study triangles. For this triangle lesson plan, students compare and classify triangles while milling to music. Students will also trade triangles so they can match up with other similar triangles. Triangles are provided.
Lesson Plan
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Principles of Flight: Flying Paper Airplanes

For Teachers 4th - 5th
Students investigate ways to enhance an object's flying ability.  In this model construction lesson plan, students construct two paper airplanes, one of which is twice as big as the first.  Students compare and contrast the two...
Lesson Plan
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Impossible Graphs

For Teachers 6th - 8th
Students practice plotting functions on the Cartesian coordinate plane while participating in a discussion about the Possible Or Not worksheet/activity. Students also use the Impossible Graphs worksheet to practice reading a graph,...
Lesson Plan
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Transformations Using the Geometer's Sketchpad

For Teachers 8th - 9th
Young scholars discover rules for single transformations, rules for composition of transformations, when a figure has transformation symmetry, and if a transformation is congruent to its preimage.
Lesson Plan
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Governor's Garden

For Teachers 9th - 12th
Students review types of polygons and list several examples of each. They assume the role of a landscape artist interviewing for a job. They create sketches of their plans for six polygonal gardens and write an expository paragraph...
Lesson Plan
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Lesson Exchange: Polygons (Middle, Mathematics)

For Teachers 6th - 7th
Students discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
Lesson Plan
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Sort It Out and Match It Up

For Teachers 6th - 8th
Middle schoolers identify objects that are the same shape and size. They compare and contrast attributes of two-and three-dimensional objects using appropriate vocabulary. Pupils justify an extension of a geometric pattern to explain...
Lesson Plan
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Let the Light Shine Through!

For Teachers 6th - 7th
Students display knowledge of line of symmetry by designing a geometric stained glass window pattern.
Lesson Plan
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Fold and Cut 2

For Teachers 2nd
Second graders make, name, and describe, using their own language and the language of geometry, everyday shapes and objects. They create and discuss geometric patterns which repeat (show translation), or which have rotational or...
Lesson Plan
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Irregular Fractals

For Teachers 6th - 8th
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Lesson Plan
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Fractions of a Set

For Teachers 3rd
Third graders use fractions to describe part of a set. In this fractions lesson, 3rd graders are introduced to fractions through a book and use pattern blocks to describe a fraction as a part of a set. This lesson includes a scripted...
Lesson Plan
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Looking For Triangles

For Teachers 8th - 10th
Students solve problems with triangles. In this geometry lesson plan, students analyze shapes to find different triangles. They name the shapes created by putting triangles together.
Lesson Plan
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No-Three-In-A-Line Again

For Teachers 9th - 12th
Students interpret information and results in context while using words and symbols to generalize patterns. They use symmetry and angle properties of polygons to solve practical problems and identifying invariant properties under...
Lesson Plan
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Clay Tile: Art Deco Style

For Teachers 6th - 12th
Students analyze and classify sets of pictures using a mathematical classification system and create original works of Art Deco tiles using this new knowledge and four types of symmetry.
Lesson Plan
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Same As

For Teachers K - 3rd
Explore the concept of the equals symbol. In this mathematical symbols lesson, learners discover the meaning of the equals sign (symbol). They also construct addition and subtraction sentences to understand the concept of equal parts.
Lesson Plan
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Cylinders and Scale

For Teachers 3rd - 5th
Young scholars review what a cylinder is and how a cylinder is measured. They build a variety of cylinders with different heights and radii. They compare the surface area and volume of each cylinder and discuss anything that surprises...
Lesson Plan
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Maximize It!

For Teachers 4th - 6th
Students design a rectangular box without a lid that has the largest possible volume using the supplied sheet of centimeter graph paper. They work in groups to construct different size boxes to determine the largest possible volume and...
Lesson Plan
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Tessellating Tiles

For Teachers 2nd
Second graders Make, name and describe, using their own language and the language of geometry, everyday shapes and objects. They create and talk about geometric patterns which repeat (show translation), or which have rotational or...
Lesson Plan
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Geometry and Symmetry

For Teachers 4th - 6th
Pupils examine tessellations and their geometric properties. The instructional activity and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
Lesson Plan
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Turn Symmetry

For Teachers 4th
Fourth graders observe geometric patterns to determine if they show rotational or point symmetry. They participate in the a demonstration instructional activity with a triangle. They create their own designs that show rotational or point...
Lesson Plan
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Manipulative Mania

For Teachers 4th - 6th
Pupils explore tangram vocabulary and tangram designs, creating an art design that contains various geometric parts. They complete a checklist titled, Important Thing About a Quilt Design.
Lesson Plan
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Functions and the Vertical Line Test

For Teachers 7th - 9th
Students examine functions and function notation. They use computer activities to discover how to graph functions, and conduct a vertical line test. Students describe spatial relationships using coordinate geometry.
Lesson Plan
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"Geometry With Quilts"

For Teachers 5th
Fifth graders examine the geometry of quilts. They discuss the history of quilting, design two nine-patch squares, exchange one design on an Internet bulletin board, and construct a hot pad that is quilted.