Lesson Plan
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Illustrative Mathematics

#### The Geometry of Letters

For Teachers 3rd - 5th Standards
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
eBook
CK-12 Foundation

#### CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Activity
101 Questions

#### Scrambler

For Students 9th - 12th Standards
Unscramble a carnival mystery! Scholars observe a video of an overhead view of a carnival ride, The Scrambler. They then must determine mathematically where a specific car will stop after a certain amount of time.
Interactive
CK-12 Foundation

#### Basic Geometric Definitions: Alternate Dimensions

For Students 9th - 12th Standards
How do you calculate problems in alternate dimensions? The interactive allows learners to manipulate points in 2-D as scholars explore the relationship the points must have to create a one-dimensional object. Pupils identify objects that...
Activity
Noyce Foundation

For Students K - 12th Standards
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...
Lesson Plan
EngageNY

#### Discovering the Geometric Effect of Complex Multiplication

For Teachers 11th - 12th Standards
Does complex number multiplication have the class spinning? Here's a resource that helps pupils explore and discover the geometric effect of multiplying complex numbers. In the 14th installment in the 32-part unit groups look at the unit...
Lesson Plan
EngageNY

#### The Geometric Effect of Some Complex Arithmetic 1

For Teachers 11th - 12th Standards
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
Lesson Plan
EngageNY

#### Justifying the Geometric Effect of Complex Multiplication

For Teachers 11th - 12th Standards
The 14th activity in the unit has the class prove the nine general cases of the geometric representation of complex number multiplication. Class members determine the modulus of the product and hypothesize the relationship for the...
Lesson Plan
Illustrative Mathematics

#### How Many Leaves on a Tree?

For Teachers 9th - 12th Standards
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
Assessment
Pearson

#### Performance Based Assessment Practice Test (Geometry)

For Students 9th - 12th Standards
The incredibly broad topic base of a geometry class makes full-length practice tests like this one, especially ones that include a number of open response questions, invaluable.  Here the class can really get that hands-on experience...
Activity
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Illustrative Mathematics

#### Hexagonal Pattern of Beehives

For Teachers 9th - 12th Standards
Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....
Activity
Illustrative Mathematics

#### Paper Clip

For Teachers 9th - 11th Standards
With minimal setup and maximum freedom, young geometers are encouraged to think outside the box on a seemingly simple application problem. Though the task seems simple, measuring a given paper clip and finding how many 10 meters can...
Lesson Plan
Curated OER

#### Woodlands Ribbonwork

For Teachers 7th - 10th
Learners make art based on the ribbon work of the Woodland Indians. Background information on the art form and procedure are laid out in an easy to follow step-by-step format.
Lesson Plan
Curated OER

#### Positive/Negative Bugs

For Teachers 5th - 8th
Bugs can be creepy - and fun! Kids create a positive and negative design by repeatedly drawing a simple insect overlaid with a geometric shape. The outcome is really neat and will help build spacial reasoning, visual acuteness, and...
Interactive
Curated OER

#### Shapes and Angles

For Students 4th
Are your geometry whizzes learning about angles and shapes? This online learning exercise gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying...
Worksheet
Curated OER

#### Parallel and Perpendicular Lines

For Students 9th - 11th Standards
Young geometers get some solid skills practice in evaluating slopes. Beginning with the basics of slope through two points and progressing through properties of parallel and perpendicular lines, the building of skills is gradual and...
Activity
Illustrative Mathematics

#### Global Positioning System II

For Teachers 9th - 12th Standards
Intricate details of a modern technology that many of us take for granted in our phones, computers (and some cars) are laid bare in a short but deeply investigative activity. The math behind a seemingly simple GPS device is...
Lesson Plan
Curated OER

#### Shaping Up With Picasso

For Teachers 1st - 12th
Students examine the artwork of Pablo Picasso and describe geometric shapes they observe. After observing geometric pictures and other objects, students create replicas of them using geometric shapes. Using a watercolor wash, students...
Lesson Plan
Curated OER

#### Metallic Mosaic

For Teachers 4th - 5th
Students engage in a lesson about polygons while creating a mosaic pattern. They concentrate upon creating a pattern that is geometric and has the look of a quilt design. The lesson includes steps to complete the project and helpful hints.
Lesson Plan
Curated OER

#### Geometric Optic Spinner

For Teachers K - 5th
Students investigate the concept of an optical illusion and how they are used. They conduct an information search of how the eye works. The information is used in order to set the context upon the creation of a personal optical illusion.
Worksheet
Curated OER

#### Calculating Perimeter 2

For Students 4th - 6th
In this calculating perimeter activity, students examine 8 rectangles and use the information provided to find the perimeter of each of them.
Lesson Plan
Curated OER

#### Stained Glass for Your Class

For Teachers K - 8th
Students use a 8 1/2 x 11 piece of white drawing paper, each student creates an original line drawing of a subject that interests them. They can create a geometric design. Students place the completed drawing under an 8 1/2 x 11 piece of...
Worksheet
Curated OER

#### Circle Area, Perimeter and Circumference

For Students 7th - 9th
Use this geometry skills practice activity to have learners solve seven problems that require them calculate the circle area, perimeter, and circumference of circles.
PPT
Curated OER

#### Aztec Art

For Teachers 3rd - 6th
After looking at some examples of Aztec art and design, learners create some of their own. They use the images in the slideshow as inspiration for the geometric patterns and textures they'll use in their art.