Classrooom Posters

All of our classroom posters measure 22" x 34" and include four or five worksheets that may be copied.

Regular Polygon Tessellations poster

Regular Polygon Tessellations

This poster shows 18 tessellations of regular polygons, including the 3 regular and 8 semiregular tessellations.

Worksheets topics:
1. Regular Polygons
2. Vertices and Edges
3. More Vertices
4. Square Tessellations
5. Triangle Tessellations

Item no. 054. Suggested retail price: $11.95.

Symmetry in Tessellations poster

Symmetry in Tessellations

This poster uses Dr. Fathauer's creature-motif tessellations to demonstrate the different types of symmetry that tessellations can possess.

Worksheets topics:
1. Translational Symmetry
2. Rotational Symmetry
3. Glide Reflection Symmetry
4. Fractal Tessellations

Item no. 055. Suggested retail price: $11.95.

Tessellations in Our World poster

Tessellations in Our World

This poster uses photographs of real-world scenes and objects to demonstrate the role that tessellations play in nature and human-made objects. The objective of the poster is to help students link the math they learn in the classroom to what they see in the world around them.

Worksheets topics:
1. Edge-to-edge and Periodic Tessellations
2. Symmetry in Tessellations
3. Tessellation as Division of the Plane
4. Modeling Tessellations in Nature

Item no. 074. Suggested retail price: $11.95.


Polyhedra in Our World poster

Polyhedra in Our World

This poster uses photographs of real-world scenes and objects to demonstrate the role that polyhedra play in nature and human-made objects. The objective of the poster is to help students link the math they learn in the classroom to what they see in the world around them.

Worksheets topics:
1. Regular and Semi-regular Polyhedra
2. Prisms
3. Pyramids and Geodesic Polyhedra
4. Surface Area and Volume of Polyhedra
5. Modeling Objects with Polyhedra

Item no. 075. Suggested retail price: $11.95.


Fractals in Our World poster

Fractals in Our World

This poster uses photographs of real-world scenes and objects to demonstrate the role that fractals play in nature and human-made objects. The objective of the poster is to help students link the math they learn in the classroom to what they see in the world around them.

Worksheets topics:
1. Symmetry in Fractals
2. Creating Fractals through Iteration
3. Recognizing Fractals in Nature
4. Fractal Dimension

Item no. 4105. Suggested retail price: $11.95.


The Circles of Descartes poster

The Circles of Descartes

This poster describes the Descartes Circle Theorem and shows some of the beautiful and complex figures, known as Apollonian packings, that can be created using the theorem. In the early part of the 17th century, René Descartes described a simple relationship between the curvatures of four mutually tangent circles. Given the curvatures of three of the circles, it is possible to calculate the curvature of the fourth by a straightforward solution to a quadratic equation. (It may be the coolest thing you'll ever see done with a quadratic equation!) This allows the construction of fascinating figures know as Apollonian packings, in which an infinite number of circles fit inside a large outer circle. In fact, there are many Apollonian packings for which every circle has integer curvature. Some arrangements lead to intriguing number sequences, such as the squares (1, 4, 9, 16, 25 ...).

Worksheets topics:
1. Solving for Curvatures
2. Apollonian Packings and Pythagorean Triples
3. Number Patterns in the Ford Circle Arrangement
4. Number Patterns in Apollonian Packings

Item no. 4106. Suggested retail price: $11.95.



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