Lesson Plan
Curated OER

Lots of Squares

For Teachers 2nd - 4th
Students work in pairs, to make a square on the geoboards with a rubber band (or draw one on the dot paper). It can be any size and in any location and share their answers with the class.
Lesson Plan
Curated OER

Moving On: Octagoning the Circle

For Teachers 3rd - 8th
Students explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
Lesson Plan
Curated OER

Angles in Art Lesson

For Teachers 5th - 9th
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
Lesson Plan
Curated OER

Calculate It

For Teachers 4th
Fourth graders find the area and perimeters of squares and rectangles using a calculator to check their multiplication. They use the appropriate formulas to find the area and perimeter of the given geometric shapes.
Lesson Plan
Curated OER

Characteristics of Polygons

For Teachers 4th
Fourth graders discuss characteristics of polygons and organize and visualize those characteristics using Kidspiration. Students import pictures that demonstrate the characteristics and save their projects to be reviewed and graded by...
Lesson Plan
Curated OER

Polygons

For Teachers 2nd
Second graders view a PowerPoint presentation on Identifying Polygons by their number of sides and their individual properties. They separate polygon tiles into groups by their attributes.
Lesson Plan
Curated OER

Polygons

For Teachers 6th - 8th
Middle schoolers work together to create mobiles with different polygons. They research the polygon and list its characteristics. They may present to the class if they chose to.
Lesson Plan
Curated OER

Don't Box Me In

For Teachers 4th - 6th
Students explore the relationship between flat and three-dimensional shapes. They identify the names of 3-D shapes and construct cubes from squares.
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

How Much Grass Should I Buy?

For Teachers 7th - 12th
Students examine a variety of real life situations in which they must access information, select an appropriate formula, and calculate an answer. A rectangular piece of grass provides an opportunity for the exploration of this...
Lesson Plan
Curated OER

Tunnel Traps

For Teachers 1st - 3rd
Pupils identify shapes that match specific shape descriptions involving a range of geometric terms and correct polygon names. They utilize a mathematics educational software program to gain practice.
Lesson Plan
Curated OER

Area graphics for 7th graders

For Teachers 6th - 7th
Young scholars randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
Lesson Plan
Curated OER

Around and Around We Go

For Teachers 4th
Fourth graders discover that a polygon is a closed figure formed by line segments, and that the perimeter of a polygon is the sum of the lengths of its sides. They utilize a worksheet imbedded in this plan to gain lots of practice with...
Lesson Plan
Curated OER

Mystery Polygon

For Teachers 2nd
Second graders describe a polygon in the form of a riddle.
Lesson Plan
Curated OER

What Does It Take?

For Teachers 1st
First graders study the attributes of circles, squares, triangles and rectangles. They sort shapes that are the same and those that are different into groups.
Lesson Plan
Curated OER

Polygons

For Teachers 4th
Fourth graders identify and describe lines, shapes, and solids using formal geometric language. They use Inspiration to create a graphic organizer and outline of polygons.
Lesson Plan
Curated OER

Square Machine

For Teachers K
Students draw robots using square shapes.
Lesson Plan
Curated OER

Tessel Your Way to Nagano!: Olympics, Winter Sports, Snowboarding, Graphic Design, Geometry, Math, M.C. Escher, Tessellations

For Teachers 4th - 6th
Students create Post-It note fundamental regions to tesselate. They make tesselations using computer software or websites. They create a jacket design with tesselation and determine the cost of production.
Lesson Plan
Curated OER

Elastic Band Shapes

For Teachers K - 1st
Students identify basic shapes (triangle, square, rectangle, circle), create shapes with different body parts, and create shapes at various levels (high, low)
Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers All
Students examine tessellations and their geometric properties. Students also develop a better understanding of lines, planes, angles, and polygons.
Interactive
Shodor Education Foundation

Shodor Interactivate: Lesson: Pythagorean Theorem

For Teachers 9th - 10th Standards
Use triangles and worksheets to guide the learning of triangles to the discovery of the Pythagorean Theorem.
Activity
Science Buddies

Science Buddies: Divide and Conquer: Proving Pick's Theorem for Lattice Polygons

For Students 4th - 8th
If you like to play Tetris then you might like this project. You'll learn something interesting about the mathematics of complex shapes.
Activity
Beacon Learning Center

Beacon Learning Center: Anglemania!

For Students 3rd - 5th Standards
Students explore four types of angles in this interactive web lesson.
Lesson Plan
University of Texas

Inside Mathematics: Don's Shapes [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.