Lesson Plan
Curated OER

Writing Takes Shape!

For Teachers 4th - 8th
Students read The Greedy Triangle and discuss geometric solids. In this geometry instructional activity, students list the geo-solids in the world and create a graphic organizer to show where geo-solids exist.
Lesson Plan
Curated OER

The Greedy Triangle - Group Activity

For Teachers K
Students explore different shapes and identify them. They make a community map using triangles, rectangles, circles, ovals, squares, pentagons, and hexagons.
Lesson Plan
Curated OER

Geo Shapes

For Teachers 1st
First graders listen as the book, "Try It With Triangles" is read to the class. They name the geometric shapes that they see in the story and view the Shape Vocabulary Cards as they name them from the book. They then cut out the...
Lesson Plan
Curated OER

Basic Shapes

For Teachers 11th - 12th
Students create books about shapes.  In this shape lesson plan, students select a topic such as points, lines, angles, planes, polygons, quadrilaterals, triangles, circles, and polyhedra.  In groups, they create an illustrated...
Lesson Plan
Curated OER

Our World of shapes

For Teachers 1st
First graders listen to Shapes and The Greedy Triangle to identify and describe examples of geometric shapes.  For this geometric shapes lesson, look for geometric shapes in real world places.  Students make a mobile of shapes...
Lesson Plan
Curated OER

Tri this Angle!

For Teachers 1st
First graders draw and describe various types of polygons. they investigate their own environments for examples of polygons. After reading the book, The Greedy Triangle, they discuss everyday objects that are polygons. They create shape...
Lesson Plan
Curated OER

3-D Attributes

For Teachers 4th - 6th
Students explore geometric solids. In this geometry lesson, students listen to the book The Greedy Triangle by Marilyn Burns, then work in groups to sort geometric solids into various categories. Students define geometric solids...
Lesson Plan
Curated OER

Triangles, Triangles, Triangles

For Teachers K
Students view several different types of triangles. They discuss attributes of a triangle with a partner. Students use a straw cut into pieces to create a triangle. They complete a Triangle Hunt worksheet (teacher created). Students...
Lesson Plan
Curated OER

That's So Square

For Teachers 1st - 3rd
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
Lesson Plan
Curated OER

Seeing Shapes

For Teachers K - 1st
Students study a variety of geometric shapes by taking pictures of items representing the shapes with a digital camera. They identify the shapes by using software to paint on the image.
Lesson Plan
Curated OER

Seeing Shapes

For Teachers K - 1st
Learners discover different geometric shapes such as triangle, square, rectangle, and octagon. Students incorporate the use of technology by taking pictures of shapes around their school using a digital camera.
Lesson Plan
Curated OER

Putting It All Together

For Teachers 6th - 8th
Learners complete activities to learn about the shapes and their vertices. In this shape recognition lesson, students discover the rule linking the number of sides with the number of vertices for shapes. Learners categorize...
Lesson Plan
Curated OER

A Snap at Geometry

For Teachers 5th - 6th
Students study geometric images and polyhedrons. In this geometry lesson, students complete several activities to learn about geometric shapes and classify polyhedrons from polygons. Students watch a video, complete a web-directed...