Sites (5)

Interactive Geoboard
The interactive computer geoboard allows students to create and colour shapes using virtual rubber bands.

Ladybug Rectangles
The three-part ladybug example presents a rich computer environment in which students can use their knowledge of geometry to solve interesting problems.

Making Triangles and Polygons
Activities that use interactive geoboards to help students identify simple geometric shapes, describe their properties, and develop spatial sense.

Online Tangram Challenges
Students can choose a picture and use all seven pieces to fill in the outline.

Primary Games Mathematics
Online shape games for infants students.

Lessons (12)

A Matter of Pattern
Students will create and predict patterns formed when making paper snowflakes.

Exploring Geometry
Introducing Geometry.

Geometric Animals
Paste geometric shapes together on paper to make animal shapes.

Illuminations
List of links for Geometry lessons for K-2.

Investigating Shapes
Ideas for recognizing and understanding the properties of triangles and their positions in space.

Making Triangles
In this activity, students will use 45- and 90-degree angles to create triangles, and develop an understanding of the relationship between angles and the shape of triangle.

Online Geoboard: Properties of Polygons
This two-part example describes activities that use interactive geoboards to help students identify simple geometric shapes, describe their properties, and develop spatial sense.

Pattern Maker
An interactive applet for creating, comparing, and viewing multiple repetitions of pattern units.

Shape Hunt
Students look for examples of patterns and shapes in both the natural and designed world.

Symmetrical Hearts
Students will cut hearts out of construction paper of various sizes and glue them together to create a symmetrical animal.

Symmetrical Kites
Students will determine whether a shape is symmetrical or asymmetrical and create a kite that is symmetrical.

What are Tessellations?
Explores regular shapes that tessellate.

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