Activity
Texas Instruments

Texas Instruments: Drawing on Your Knowledge

For Teachers 6th - 8th Standards
In this activity, students will understand the basic geometric concepts of parallelism and perpendicularity, and will also able to use rectangular coordinates to make congruent objects. They will display understanding of parts of...
Handout
The Math League

The Math League: Figures and Polygons

For Students 3rd - 8th Standards
This website has basic definitions for most polygons, regular and irregular.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.g Cube Ninjas!

For Teachers 7th
In this lesson, 7th graders slice three dimensional objects to determine what two dimensional shape is created.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Vertices and Sides in Various Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Cross Sections and Nets

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students draw two-dimensional representations of solid figures. Students examine guided notes, review guided practice, watch instructional videos and...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Straight Lines and Curves in Various Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting lines and curves in various two dimensional shapes.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining Whether a Given Shape Can Be Tessellated

For Students 3rd - 5th Standards
[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.
Whiteboard
ClassFlow

Class Flow: Summing Differences

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this flipchart, students apply their understanding of geometric properties and relationships. Students use geometric properties and relationships to describe, compare, and draw two-dimensional shapes...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Cross Sections and Nets

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students draw two-dimensional representations of solid figures. Students examine guided notes, review guided practice, watch instructional videos and...
Graphic
History is Fun

Jan Brett: Geometric Shapes Flashcards Pdf

For Students Pre-K - 1st Standards
Print out these colorfully illustrated PDF file pages to practice learning your basic two dimensional geometric shapes. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...
Activity
University of Cambridge

University of Cambridge: Nrich: Triangles to Tetrahedra

For Students 3rd - 8th Standards
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
Unit Plan
Khan Academy

Khan Academy: Shaded Areas

For Students 7th Standards
Practice finding the area of shaded figures.
Whiteboard
ClassFlow

Class Flow: Similar Shapes

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this flipchart, students use the drawing and interactive tools in Activstudio to apply geometric properties and relationships to describe, compare, and draw two-dimensional shapes and figures.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Street Orchestra: 3 D Space

For Students 2nd - 3rd
Join Allegro in his street orchestra and learn about 3D shapes.
Interactive
Other

Kinderweb: Educational Children's Games

For Students Pre-K - 1st Standards
Use this site to practice identifying shapes, colors, and animals with these interactive games.
Lesson Plan
Alabama Learning Exchange

Alex: "Polly"gon Pockets

For Teachers 3rd - 8th Standards
Lesson plan that helps students explore the attributes of polygons through the use of cooperative groups. Students use jigsaw puzzles and foldable polygons. They also connect the attributes of specific polygons with objects in the real...
Activity
University of Cambridge

University of Cambridge: Nrich: Virtual Geoboard

For Students K - 1st Standards
Use this virtual geoboard to explore the attributes of various polygons. This would work well on an interactive whiteboard.
Lesson Plan
Alabama Learning Exchange

Alex: It's in the Bag

For Teachers 3rd - 5th
This lesson is a unique and fun way to review perimeter, angles, and types of adjectives. Students pick an object from the classroom that will fit in a paper lunch bag. They investigate their object and fill in the attached sheet. You...
Activity
NumberNut

Number Nut: Shapes, Symbols, and Colors: 3 D Shapes

For Students 3rd - 8th Standards
This lesson describes three dimensional shapes and provides two interactive practice activities.
Interactive
Other

Bright Productions Web Designs: Shape Game

For Students Pre-K - 1st Standards
You will enjoy this shape game. It tells you the name of a shape and all you have to do is click on the correct shape. If you get confused you can have another try.
Interactive
Quia

Quia: Geometric Terms Word Search

For Students 3rd - 8th
Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
Interactive
Quia

Quia: Geometric Terms Matching

For Students 3rd - 8th Standards
Do you need practice remembering or learning different geometry vocabulary words and definitions? This matching game is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
Interactive
Quia

Quia: Geometric Terms Flash Cards

For Students 2nd - 8th Standards
Do you need practice remembering or learning different geometry vocabulary words and definitions? The flash cards at this web site are for you! There is a link to a list of terms with definitions you can click if you want to see if you...
Handout
Science Struck

Science Struck: List of Different Types of Geometric Shapes

For Students 4th - 8th Standards
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.