Lesson Plan
Curated OER

Identifying, Mapping, and Personifying Countries Involved in WWII

For Teachers 10th - 12th
Get artsy with this WWII group activity, starting with a whole-class assignment. Create a map of Europe, Northern Africa, and the Pacific using geometric shapes cut from construction paper and placed on the floor. Consider splitting the...
Lesson Plan
Curated OER

Math Hunt

For Teachers 8th - 10th
Go on a scavenger hunt around your school to find evidence of math. Investigate different areas of your school for patterns, fractions, and different geometric shapes. Finally, create a spreadsheet and plot the data you've collected.
Lesson Plan
University of Nottingham

Drawing to Scale: A Garden

For Students 6th - 9th Standards
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...
Lesson Plan
Curated OER

New Boxes From Old

For Teachers 6th - 8th
Young scholars find the volume and surface area of a rectangular box (e.g., a cereal box), and then figure out how to convert that box into a new, cubical box having the same volume as the original. As they construct the new, cube-shaped...
Lesson Plan
Curated OER

Exploring the Orthocenter of a Triangle

For Teachers 9th - 12th Standards
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
Lesson Plan
Curated OER

Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Students construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle lesson, students construct a triangle using Cabri Jr. Students draw perpendicular bisectors of the sides of the triangle. Students...
Lesson Plan
Curated OER

Perpendicular Bisector of a Line Segment

For Teachers 9th - 12th Standards
High Schoolers investigate the perpendicular bisector of a line segment. They use Cabri Jr. to construct the perpendicular bisector of a segment. The dynamics capabilities of Cabri Jr. allow your learners to observe the lengths of the...
Lesson Plan
Curated OER

Investigating the Slopes of Parallel and Perpendicular Lines

For Teachers 9th - 12th Standards
High schoolers investigate parallel and perpendicular lines. They use Cabri Jr. to construct and explore the relationships between the slopes of parallel and perpendicular lines. The drawing and measurement tools available with Cabri Jr....
Lesson Plan
Curated OER

Hop To It!

For Teachers 4th - 5th
Students determine patterns. In this mathematics lesson, students act out a skit, play a sequence game, and complete patterns. Students use problems solving skills.
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.
Worksheet
Math Mammoth

Expressions

For Students 8th - 10th
In this expression worksheet, learners evaluate equations, write equations for a specified event, and determine the perimeter of shapes, Six multi-step problems are provided on this one-page worksheet.
Lesson Plan
Curated OER

Building Big and Strong

For Teachers 6th - 9th
Middle and high schoolers explore the concepts of architectural rigidity. They analyze a variety of polygons, and explain why some shapes add more strength to structures than others. The PBS video, "Building Big," is utilized in this plan.
Lesson Plan
Curated OER

Building Shapes From Numbers

For Teachers 5th - 8th
Students experience how to illustrate some of the many connections between number and geometry. Through this 2-3 day focus on square numbers and triangular numbers, students make connections among mathematical topics.
Lesson Plan
Curated OER

Lost Treasures of Tibet: Mandalas

For Teachers 5th - 12th
Students examine the history of mandalas from Tibet. After reviewing the Designing a Mandala handout, they use geometric symmetrical shapes to create their own examples. Next, they write poems or essays and explain the meaning of the...
Lesson Plan
1
1
Alabama Learning Exchange

Pennies, Pennies and More Pennies

For Teachers 9th - 11th Standards
Learners determine the number of pennies needed to fill a room.  In this pennies lesson plan, students work in groups to determine the number of pennies needed to fill a room.  They compute the probability of the head of a pin...
Lesson Plan
Curated OER

The Element of Color

For Teachers 8th
Eighth graders study and analyze the elements of color by creating an personalized color wheel. Emphasis is placed on constructive criticism of student work by others for assessment. Students create short poems for their color wheel...
Activity
1
1
Teach Engineering

What a Drag!

For Teachers 5th - 7th Standards
Stop and drop what is in your hand! Pupils investigate how form effects drag in the 12th part of a 22-part unit on aviation. Groups create equally weighted objects and determine which one falls the fastest by collecting data.
Printables
1
1
Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
Lesson Plan
1
1
Illustrative Mathematics

Toilet Roll

For Teachers 9th - 11th Standards
Potty humor is always a big hit with the school-age crowd, and potty algebra takes this topic to a whole new level. Here the class develops a model that connects the dimensions (radii, paper thickness, and length of paper) of a...
Lesson Plan
1
1
Virginia Department of Education

Geometry and Volume

For Teachers 7th - 12th Standards
The history of math is fascinating! Utilize a woodcut primary source image from 1492 and posters from the 1930s to help geometers apply their volume-calculation skills to real-life questions. 
Activity
DiscoverE

Spaceship to Mars

For Teachers 6th - 8th
Feel like a rocket scientist for the day. Using only paper and tape, scholars create a framework for a spaceship to Mars. Each sheet of paper costs $10 million and each piece of tape costs $100,000. Make sure you stay within budget!
Printables
1
1
Houghton Mifflin Harcourt

Unit 6 Math Vocabulary Cards (Grade 4)

For Students 4th
In need of math vocabulary cards? Use a set of 66 vocabulary cards with topics focused mostly on geometry terms. Each sheet has two cards on it. The top half has the word printed in bold text, while the bottom half has the card with...
Lesson Plan
Mathematics Assessment Project

Designing a 3d Product in 2d: a Sports Bag

For Teachers 7th Standards
Sew up pupil interest with an engaging, hands-on instructional activity. Learners first design a sports bag given constraints on the dimensions of fabric. They then evaluate provided sample responses to identify strengths and weaknesses...
Activity
Teach Engineering

Build the Biggest Box

For Students 8th - 10th Standards
Boxing takes on a whole new meaning! The second installment of the three-part series has groups create lidless boxes from construction paper that can hold the most rice. After testing out their constructions, they build a new box....