Lesson Plan
Curated OER

The Trapping of Trapezoids

For Teachers 6th - 8th
This is a nice hands-on activity where young geometers create trapezoids and calculate their area by looking at areas of quadrilaterals and triangles. 
Organizer
Curated OER

Triangles

For Students 3rd - 7th
In this geometry worksheet, students will answer questions to determine if a shape is a triangle and if so, what type of triangle.
Worksheet
Curated OER

Countdown Challenge: Platonic Solids - Part I

For Students 7th - 8th
Use a Platonic solids instructional activity to record the number of faces, edges, and vertices of five polyhedra whose faces, edges, and vertices are all identical. For each figure, learners write a proof of Euler's formula (F+V=E+2)....
Worksheet
Curated OER

Is This a Line of Symmetry?

For Students 4th - 6th
Here is a geometry skills practice worksheet in which learners respond to six questions that require them to identify images that have symmetry.
Worksheet
Curated OER

Are the Dotted Lines, Lines of Symmetry?

For Students 3rd - 5th
Here is a geometry skills practice worksheet in which learners respond to eight questions that require them to identify lines of symmetry.
Worksheet
Curated OER

Many Colored Maps

For Students 6th
In this map worksheet, 6th graders identify and complete 10 different problems that include various dimensional maps. First, they complete the table on the right by coloring the maps found on the bottom. Then, students determine the...
Lesson Plan
Curated OER

A Snap at Geometry

For Teachers 5th - 6th
Students study geometric images and polyhedrons. In this geometry instructional activity, students complete several activities to learn about geometric shapes and classify polyhedrons from polygons. Students watch a video, complete a...
Lesson Plan
Curated OER

Geometric Shapes at the OK Corral

For Teachers K
Students explore geometric shapes. In this math lesson, students identify geometric and non-geometric shapes using the computer. Students research geometric shapes in art and architecture.
Lesson Plan
Curated OER

Line and Shape Game

For Teachers 9th - 12th
Students create a picture of an actual scene or overlap the called out lines or shapes into a space-breaker. If someone calls out a line or shape a student had not planned to use in the art, they have to figure out some way to use it...
Lesson Plan
Curated OER

SHAPE UP

For Teachers 3rd
Third graders use the computer to draw and compare the attributes of two and three dimensional shapes.
Lesson Plan
Curated OER

Geometry on a Grand Scalle

For Teachers 7th - 8th
Students, in groups, construct different angles and shapes on a large scale using string and chalk.
Lesson Plan
Curated OER

Shapes are Everywhere

For Teachers 2nd
Second graders gain an understanding of geometric shapes and spatial reasoning. They learn the attributes of solid shapes in everyday activities. Students compare geometric shapes to everday objects, finding things that serve a purpose...
Worksheet
Curated OER

Tracing and Coloring Rectangles

For Students K - 1st
In this geometry worksheet, students examine 14 rectangles of different sizes which are shown with dotted lines. Students trace the rectangles and "colour" in the shapes.
Worksheet
Curated OER

Brain Teaser- How Many Triangles?

For Students 4th - 5th
In this geometry worksheet, students examine a picture that has many hidden triangles. Students count the triangles they discover and color the picture.
Worksheet
Curated OER

Geometry: Flip, Turn or Slide?

For Students 4th - 6th
In this flip, turn or slide worksheet, students determine which has been done to a set of letters written on grids. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Introducing Angles

For Teachers 6th
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
Lesson Plan
Curated OER

Tessellation Trial and Error

For Teachers 5th - 8th
In this interactive instructional activity, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create...
Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Students explore geometry by participating in a shape rotation experiment. In this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned 90 degrees and...
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Learners define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
Lesson Plan
Curated OER

The Greedy Triangle

For Teachers 3rd - 4th
Students discuss figures with various numbers of sides.  For this geometry lesson, students are read The Greedy Triangle by Marilyn Burns, they participate in a class discussion of many sided figures and are introduced to the term...
Lesson Plan
Curated OER

Plain Figures and Measuring Figures

For Teachers 10th - 12th
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.      
Worksheet
K6 Math

Geometry Word Problems

For Students 3rd - 5th Standards
Here are eight real-life problems for your class to solve when learning to calculate perimeter and area. Because www.K6Math.com is stamped across the background of the page, you may not want to use it as a homework, but rather use the...
Lesson Plan
Pennsylvania Department of Education

Euler's Formula

For Teachers 7th - 9th
Students explore geometry by defining a list of vocabulary terms. For this shape characteristics lesson, students identify a number of different shapes and discuss the amount of edges, vertices, and faces using the Euler formula....
Lesson Plan
Curated OER

Polygon Monster

For Teachers 1st - 2nd
Students brainstorm different kinds of shapes. They then draw them on the paper and write the name of the shape on the back and then assemble the shapes to make a "monster". Students make up a survey about the monster including its name...

Other popular searches