Lesson Plan
Curated OER

Exploring Secants: Products of Segments

For Teachers 9th - 10th
Learners explore secants and circles. In this geometry lesson, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Lesson Plan
Curated OER

Shape Up!

For Teachers 2nd - 4th
Students investigate measurement through the use of literature through this series of lessons.
Lesson Plan
Curated OER

What a SHAPEly Fit!

For Teachers 3rd - 5th
Students identify and explore the attributes of polygons. They design and create a quilt square using polygons, and produce a class quilt.
Lesson Plan
Perkins School for the Blind

Which One is the Square?

For Teachers 1st - 6th
Children who are blind need to constantly be engaged in building conceptual understandings of the world around them. This activity will help them grasp the concept of shape, identify shapes, and consider shapes as they are used to...
Lesson Plan
PBS

Arguing over Area

For Teachers 2nd - 3rd Standards
With the help of the Area Officers and Perimeter Patrol, you learners will develop a better understanding of area and its relationship to perimeter. First, they view a video clip from Cyberchase, and then they visit a website to...
Performance
Radford University

Swimming Pool Dilemma

For Teachers 9th - 12th Standards
Different shape, same volume—that's quite a challenge! Scholars design a pool for an imaginary client using three-dimensional figures. They must then create a second pool for another client with the same volume, but using different shapes.
Lesson Plan
Curated OER

Discovering Conic Sections in the Motion of Heavenly Bodies

For Teachers 9th - 12th
Math scholars study conics and how they are used today. In this mathematical instructional activity, pupils construct and slice cones after viewing a demonstration. 
Worksheet
Curated OER

Mobius Card- An Impossible shape

For Students 9th - 11th
In this algebra worksheet, students solve word problems using linear equations and algebraic symbols. There is one problem with an answer key.
Lesson Plan
Curated OER

Property Lists for Quadrilaterals

For Teachers 9th - 12th
Pupils establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
Lesson Plan
Curated OER

Relations

For Teachers 2nd - 4th
Students identify, compare, and analyze shapes and numbers. In this analogies and comparison math lesson, students warm up by completing 4 worksheets to familiarize themselves with analogies. In small groups, students are challenged to...
Lesson Plan
Curated OER

Pacing a Gunther Chain

For Teachers 3rd - 5th
Students pace a Gunther Chain, a measurement used by foresters to determine distance and area. They discuss that pacing is individualized depending on age, gender, etc. They practice to find an average pace. Teams estimate, pace and...
Lesson Plan
Curated OER

Searching for Angles and Lines

For Teachers 6th - 8th
Middle schoolers work to find and reinforce concepts related to lines and angles. They identify the characteristics of shapes that have one, two, and three dimensions. The students also work on definitions related to the geometry of shapes.
Lesson Plan
Curated OER

Shape It

For Teachers 4th
Fourth graders use math software and geoboard paper to design basic shapes. They write individual definitions for the geometric shapes based on what they see in the shapes. They apply their background knowledge of the shape as they write...
Lesson Plan
Curated OER

Listen to a Shape

For Teachers 1st
First graders identify basic shapes (circle, square, rectangle, triangle) and describes the attributes of each. They use magazines to find examples of each shape, and then make a collage.
Lesson Plan
Curated OER

Patterns Here, There, and Everywhere!

For Teachers 4th - 6th
Upper graders access the Microsoft Word program and create patterns by utilizing certain keys on the keyboard. They create picket fences, smiley faces, and hearts. It seems that this instructional activity has as much to do with...
Lesson Plan
Curated OER

Geometry Practice: Classifying Solids #2

For Teachers 7th - 9th
In this solids worksheet, students identify the characteristics of solids. They name solids and determine the number of faces. This three-page worksheet contains seventeen problems. Answers are listed on the last page.
Lesson Plan
Curated OER

Sketching Pyramids

For Teachers 9th - 12th
Students sketch and identify properties of pyramids. In this geometry lesson, students create nets to identify three dimensional shapes. They sketch cones, prisms and pyramids.
Lesson Plan
Curated OER

Pyramids & Prisms: Guler's Formula

For Teachers 6th
Sixth graders compare and contrast two-dimensional shapes to three-dimensional shapes. After watching a demonstration, they make their own shapes using nets printed on paper. To end the instructional activity, they use the shapes they...
Lesson Plan
Curated OER

Create A Map!

For Teachers 2nd - 3rd
Students examine two- and three-dimensional shapes, and discuss map skills and attributes. They plan and create their own school campus maps using pre-cut building site shapes.
Lesson Plan
Curated OER

2D Polygons and 3D Nets

For Teachers 9th - 11th
Students compare and contrast two dimensional polygons and three dimentional nets by examining the differences in drawings. They create three dimensional shapes and label the faces, edges, and vertices. After creating the shapes, they...
Lesson Plan
Curated OER

Surface Area and Volume

For Teachers 6th - 8th
Students are introduced to the notion of surface area and volume. Students review surface area and volume by finding the area of a two-dimensional shape. They practice using the computer to create different surface area shapes.
Lesson Plan
Curated OER

Sketching Spheres

For Teachers 8th - 10th
Students investigate spheres through sketches. In this geometry lesson, students sketch two and three dimensional shapes creating nets. They find and differentiate between the nets for prisms, pyramids, cones, cylinders and spheres.
Lesson Plan
Curated OER

Sketching Cylinders

For Teachers 9th - 11th
Students create nets of cylinders. In this geometry instructional activity, students calculate the surface area of cylinders and other solids. They show their understanding of three-dimensional shapes by solving problems.
Lesson Plan
Curated OER

Sketching Prisms

For Teachers 9th - 12th
Young scholars sketch and create nets of different polygons.In this geometry lesson, students differentiate prisms from other three-dimensional shapes. They define the properties of prisms.