[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] The video shows how to count the number of straight lines and curves in a given 2D figure. The video is followed by practice problems.

Third graders develop their understanding of the importance of different 2-dimensional shapes by finding real world examples.

Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] The video describes how to determine how many triangles are needed to create the complex composite shape.

[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine unit shapes from a tessellation and then take an assessment to test their knowledge.

[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine if a two dimensional shape can be tessellated and then take a quick assessment to test their skills.

Discover 2D shapes and 3D objects from different views in Antarctica!

At the Food Market there are a lot of shapes. Help Afia find and name the shapes.

This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.

Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.

Interactive lessons featuring 2-D and 3-D shapes, angles, time, and symmetry. For each section, play a learning game, read a lesson that includes comprehensive vocabulary, and take a quiz to find out what you've learned.

[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.

[Free Registration/Login may be required to access all resource tools.] The video shows how to look at a pattern of 2D shapes to determine the next shape in the pattern. The video is followed by a series of practice questions to assess...

Review basic facts and properties of two-dimensional shapes in this interactive game.

Students will play learning games to explore parallel lines and two-dimensional shapes.

Are you up for some farm chores? Help James count the sheep and identify geometric shapes.

In this lesson, 3rd graders calculate the perimeter of various geometric shapes and represent the perimeter with a movement phrase. They will identify the types of angles within each shape. Other students will identify the shape that was...

Describes, with illustrations, the basic two-dimensional shapes students will encounter in elementary Math.

Students can use this interactive site to practice various geometric concepts such as rotations, reflections, translations, tesselations and geometric patterns.

Visit this African village and learn about symmetry and parts of 2D shapes. Users can first watch a video that helps with the concepts of finding a vertex and a line of symmetry. They can then practice their knowledge on four activities...

This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...

In this lesson make a spinning top to explore the concepts of shape, color, spinning, and optical illusions.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.