Lesson Planet Article
Curated OER

Analyzing 3-D Shapes and 2-D Representations

For Teachers 3rd - 6th
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Lesson Plan
Curated OER

Blindfolded Building

For Teachers K - 8th
Students build a Lego design and then work with a partner to reproduce that design. They guide the building of the reproduction by description only and then check their work.
Unit Plan
PBS

Pbs: Toothpicks: Patterns in Geometric Shapes

For Students 3rd - 5th
How can you describe the pattern made by a growing triangular shape? This interactive exercise focuses on using what you know about pattern recognition and completing a table so you have data you can use to graph the coordinates on a...
Interactive
PBS

Pbs Learning Media: Toothpicks: Patterns in Geometric Shapes

For Students 3rd - 8th Standards
This interactive exercise focuses on determining probabilities associated with repeated coin tosses and building tree diagrams to take math out of the classroom and into the real world.
Lesson Plan
Other

The Actuarial Foundation: Math Academy: Can You See It in Nature? [Pdf]

For Teachers 4th - 8th
Students will build, extend, describe, predict, graph and generate rules for patterns and functions designed to help students understand the connection between geometric and numerical patterns (younger students) as well as between...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Predicting the Next Shape in a Sequence of Complex Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and try practice problems on identifying and continuing geometric patterns.
Activity
University of Cambridge

University of Cambridge: Nrich: Instant Insanity

For Students 3rd - 8th Standards
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
Activity
National Council of Teachers of Mathematics

The Math Forum: Line Symmetry

For Teachers 3rd - 5th Standards
This site from The Math Forum is a great site if you are looking for activities to engage your students in learning about line symmetry. Peruse this collection of activities for one or two or four that would be right for your students....
Interactive
Other

The Math Learning Center: Pattern Shapes

For Students 4th - 8th Standards
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
Interactive
University of Cambridge

University of Cambridge: Nrich: Net Cuts

For Students 3rd - 5th Standards
In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.
Activity
University of Cambridge

University of Cambridge: Nrich: Doplication

For Students 3rd - 8th Standards
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
Website
PBS

Pbs Learning Media: Stomp

For Students 3rd - 8th
In this video segment from Cyberchase, performers from STOMP! illustrate patterns using inventive and exciting rhythmic melodies.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Upside Down (Pdf)

For Students 3rd - 8th Standards
What lowercase letters read the same both upside down and right side up? If you have the answer, then you can handle this geometric symmetry math challenge. A one-page activity from the NTCM Math Challenge for Families collection....
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Multicultural Math Fair: Navajo Burntwater Designs

For Students 3rd - 8th
Simple lesson designed to help pupils learn the geometric concepts of translation, reflection, and symmetry by creating Navajo weaving patterns. Includes templates and instructions and is available in English and Spanish. Unfortunately,...
Website
PBS

Pbs Learning Media: Cyberchase: Crack the Code

For Students 3rd - 8th Standards
Cyberchase video in which the CyberSquad must get into a vault before Hacker, Buzz, and Delete by cracking a code of shapes and numbers. [3:20]
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Table for 19 (Pdf)

For Students 3rd - 8th Standards
The waiters at Polygon's Restaurant need your help. See if you can use your problem solving and patterning skills to help them solve this math challenge. Discover how developing these skills could be useful in real life situations, in...
Lesson Plan
PBS

Pbs: Mathline: Tessellations Wow! [Pdf]

For Teachers 3rd - 5th
An integrated geometry lesson on spatial sense in which young scholars identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students are...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Envelopes

For Students 3rd - 6th Standards
Explore tessellations with real world applications in this activity from the NCTM Math Challenges for Families series. Figure out what shape you would use to create a legal envelope from a single sheet of paper. Then discover how...
Activity
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: The Geometry of Quilts [Pdf]

For Students 3rd - 8th
Investigating designs and shapes in quilts around the world is the activity in this internet exploration. Learners will also design their own quilt on paper or on the computer. Acrobat Reader required.