Lesson Plan
Alabama Learning Exchange

Alex: Origami Geometry

For Teachers Pre-K - 1st Standards
Origami (ori-folding, kami-paper) is the traditional Japanese art of folding paper. Students will discover relationships between shapes as they are actively engaged in this hands on geometry lesson to learn basic geometric shapes, their...
Lesson Plan
Alabama Learning Exchange

Alex: Shape Makers

For Teachers K - 1st Standards
In this Five E's AMSTI lesson, students discover relationships between shapes. Students discover multiple ways to combine shapes to fill the area of a given shape using real and virtual pattern blocks, and share their solutions with...
Lesson Plan
Alabama Learning Exchange

Alex: "Tan"

For Teachers K - 1st Standards
The Chinese character mark formerly known as "Tan" is the first of two lessons to introduce first grade students to geometry using tangrams. This instructional activity incorporates history, math, and language arts. In this instructional...
Lesson Plan
Alabama Learning Exchange

Alex: Tan Ii

For Teachers K - 1st Standards
The Chinese character mark for Tan II (pronounced she-tow-bah) is the second of two lessons to introduce first grade students to geometry using tangrams. This lesson incorporates history, math, and language arts. For this lesson students...
Activity
National Council of Teachers of Mathematics

Nctm: Illuminations: Cutting Corners

For Students 9th - 10th Standards
Students will use their knowledge of plane figure attributes to create and view shapes by cutting and rotating shapes to stimulate discussions on names and attributes of various shapes they do not regularly encounter.
Unit Plan
George Eastman Museum

George Eastman House: Shapes and Shelters Discovery Kits

For Students 3rd - 8th
Find a classroom-ready annotated slideshow and lesson plans designed to introduce students to fundamental architectural concepts and to improve their skills in recognizing the structural components of architecture. Slideshow uses...
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Geometric Solids

For Students 9th - 10th Standards
The instructional tool explores various geometric solids and their properties. Student can manipulate and color the different shapes. Learners examine the edges, faces, and vertices of the different solid figures.
Lesson Plan
Alabama Learning Exchange

Alex: Guess My Shape

For Teachers K - 1st Standards
The students will make the connection between 2-D and 3-D shapes using modeling clay and geometric solids and participate in an interactive web lesson. Students will make predictions about what 2-D shape they think will be made when they...
Lesson Plan
Alabama Learning Exchange

Alex: What Can Shapes Be

For Teachers K - 1st
This is a hands-on lesson that will help students explore shapes in their environment. Students will work in diverse groups to complete this activity. Students will make a class book of their findings.This lesson plan was created as a...
Lesson Plan
Alabama Learning Exchange

Alex: Geometric Shadows

For Teachers K - 1st
Students will identify objects as translucent, transparent, or opaque. Upon seeing the shadow of the opaque object, students will identify the geometric figure created by the shadow.This lesson plan was created as a result of the Girls...
Activity
Texas Instruments

Texas Instruments: Exploring Area

For Teachers 6th - 8th
In this activity, students learn to calculate the area of geometric shapes. They solve real world problems involving area.
Activity
Texas Instruments

Texas Instruments: Coordinate Plane

For Teachers 6th - 8th Standards
In this activity, students use the pen feature of the calculator to draw geometric shapes in a coordinate plane.
Lesson Plan
Alabama Learning Exchange

Alex: A What? A What? A Quadrilateral

For Teachers 3rd - 5th Standards
In this activity, students will identify the characteristics of a quadrilateral. Students will have a chance categorize quadrilaterals into subgroups such as squares, rhombuses, rectangles, and nonregular quadrilaterals. This activity...
Lesson Plan
Alabama Learning Exchange

Alex: Ye Ole Angles and More

For Teachers 1st - 3rd Standards
Students will explore shapes and their attributes through a variety of resources including web sites, story books and manipulatives. Students will create a presentation of a shape adventure.
Activity
Texas Instruments

Texas Instruments: Geometric Swimming Pools

For Teachers 3rd - 8th
Students will design swimming pools in the shape of polygons on grid paper with two vertices given.
Activity
Texas Instruments

Texas Instruments: Making Sense of Shapes and Sizes

For Teachers 9th - 10th
In this activity, students develop algorithms for generating and generalizing patterns related to triangle and square geometric models.
Lesson Plan
Alabama Learning Exchange

Alex: Geometric Man

For Teachers 3rd - 5th Standards
The learners will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
Activity
Texas Instruments

Texas Instruments: Give Me a Hand or Leaf Me Alone

For Teachers 6th - 8th
In this activity, students' find the surface area of geometric shapes cut from card paper and relate it to its mass. They use this data to find the surface area of irregularly shaped objects.
Activity
Texas Instruments

Texas Instruments: Copying an Angle

For Teachers 9th - 10th Standards
Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them.
Lesson Plan
Alabama Learning Exchange

Alex: Geometric Quilts

For Teachers 9th - 10th
Learners will use a square to investigate other polygonal shapes that can be formed. Students will work with these polygons to make designs that will later constitute cooperatively designed quilts. The quilts will be made by translating,...
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Volume of a Cube

For Students 3rd - 8th Standards
"The volume of a cube can be developed by considering unit cubes, a single row (longs) of unit cubes or a single layer (flats) of cubes using this applet." This easy software makes it possible to easily construct a cube and take it...
Lesson Plan
Alabama Learning Exchange

Alex: Creating a Reflection

For Teachers 5th - 8th
In this lesson, the students will create geometric reflections. This is a hands on activity where the student will be able to conceptualize how geometric shapes are reflected across the x and y axis of a coordinate graph. This lesson...
Activity
Texas Instruments

Texas Instruments: What Goes Around Comes Around but Can You Measure It?

For Teachers 9th - 10th
In this activity, students find the area and the perimeter for several geometric shapes. They also determine the surface area and volume of spheres.
Lesson Plan
Alabama Learning Exchange

Alex: Let's Go Hunting!

For Teachers 9th - 10th Standards
Students will work in groups of 3 or 4 scouring the campus for items of various shapes, sizes and angles. The items that students will be looking for are outlined on the rubric. Students will use technology to create a creative digital...