Lesson Plan
Curated OER

Getting Into Shapes: Identifying and Describing Two-Dimensional Shapes

For Teachers K - 2nd
Young scholars examine their classroom to find examples of various types of shapes. After identifying and describing the various shapes, they draw as many as they can on a piece of paper. They organize them into an image based on their...
Lesson Plan
Curated OER

Mining Shapes

For Teachers K
For this 2-D shapes lesson, kindergarteners review plane shapes attributes. They engage in a shape hunt in the classroom and create art using plane shapes. A good, hands-on lesson!
Lesson Plan
Curated OER

Geometry is Fun and EverywhereGeometry, You Don’t Care? Geometry is Fun and Everywhere

For Teachers 3rd
Third graders investigate shapes in our world. In this geometry instructional activity, 3rd graders describe plane and solid shapes and identify angles, solid objects and lines of symmetry. Students use online resources, graphic...
Lesson Plan
Curated OER

Magician Squares

For Teachers K - 3rd
Elementary school learners investigate the attributes of a square. They discover that squares are polygons and examine squares found in everyday life. They concentrate on connecting the word, square, with the shape. As an...
Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 4th - 6th
Learners study parallel and perpendicular lines. In this parallel and perpendicular instructional activity, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.
Lesson Plan
Futures Channel

Folding Circles

For Teachers 7th - 12th Standards
Students investigate properties of circles. In this geometry lesson plan, students differentiate between similarity and congruence as they observe polygons. They investigate properties of two and three dimensional shape.
Lesson Plan
Curated OER

Circles and Clocks, Shapes and Time

For Teachers 4th - 6th
Students work in groups to research clocks and practice telling time. In this telling time lesson, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a compass....
Lesson Plan
Curated OER

Figure It Out - Polygons

For Teachers 6th
Sixth graders explore different polygons. In this polygon lesson, 6th graders examine a rhombus, quadrilateral, parallelogram, and rectangles. Students compare and contrast polygons and research shapes on the Internet.
Lesson Plan
Curated OER

Know Your Polygons!

For Teachers 3rd - 8th
Learners identify and categorize different polygons. In this polygons lesson plan, students research and identify properties of polygons,  identify different polygon shapes, and categorize different triangles and quadrilaterals.
Lesson Plan
Curated OER

Finding the Area and Perimeter of Polygons

For Teachers 7th
Seventh graders practice finding the area and perimeter of polygons. In this polygon area lesson, 7th graders brainstorm shapes and take a walk to locate shapes. Students record properties of shapes and use various shapes to make a...
Unit Plan
Partnership for Educating Colorado Students

Mayan Mathematics and Architecture

For Teachers 4th - 8th Standards
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Lesson Plan
Curated OER

Sketching Prisms

For Teachers 9th - 12th
Students 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.
Lesson Plan
Curated OER

Circle Art

For Teachers 8th - 10th
Students investigate two and three dimensional shapes. In this geometry lesson, students write equations of circles and graph them correctly. They create pictures using circles.
Lesson Plan
Curated OER

Polygons And Polyhedra

For Teachers 9th - 12th
Students recognize and name two-dimensional and three-dimensional geometric figures. One group of students will extend the study of polygons to quadrilaterals while another group of students will extend the study of polygons to...
Lesson Plan
Curated OER

Inuit Sculpture

For Teachers 4th - 8th
Kids in grade four through eight research Inuit artists and art styles. After a critical look at Inuit sculpture, they use those forms for inspiration as they create one of their own. They practice using the subtractive method of...
Lesson Plan
Curated OER

Symmetry of the Southwest

For Teachers 4th
Fourth graders examine mirror symmetry. In this symmetry lesson, 4th graders discover that symmetry is not always vertical or horizontal. Students cut and fold shapes along lines of symmetry.
Lesson Plan
Curated OER

Cones, Cylinders, Spheres

For Teachers 9th - 11th
Pupils classify polygons by name and shape. In this geometry lesson, students identify the lateral surface of each conic. They differentiate between cones, cylinders and spheres.
Lesson Plan
Curated OER

More Prisms/Nets

For Teachers 9th - 11th
Students calculate the volume and surface are of three-dimensional shapes. In this geometry lesson, students use the nets to prove their calculations of shapes. They identify the different parts of a solid using the nets.
Lesson Plan
Curated OER

An Introduction to Measuring Theory

For Teachers 7th - 9th
Students investigate one, two and three dimensional objects. In this algebra lesson, students differentiate between different shapes of objects and write equations to represent each. They start with what they already know and prove...
Lesson Plan
Curated OER

Parallel-o-Home

For Teachers 9th - 12th
High schoolers investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson plan, students investigate shapes for properties that are related to the real world. They relate all the properties of...
Lesson Plan
Curated OER

Triangles and Quadrilaterals

For Teachers 2nd
Second graders explore triangles and quadrilaterals. They rotate to various centers in the room to identify and examine triangles and quadrilaterals. After presenting a picture to the class, 2nd graders locate right angles, triangles...
Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
Lesson Plan
Curated OER

Symmetry

For Teachers 3rd - 5th
Young scholars examine the concept of symmetry. They use photographs in front of a mirror to see symmetry. They write an explanation or drawing of how a mirror always produces a line of symmetry.