Lesson Plan
Illustrative Mathematics

Make Your Own Puzzle

For Teachers K - 2nd Standards
Puzzling over what geometry lesson to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger shapes. To learn...
Lesson Plan
Curated OER

Show Me The Data!

For Teachers 6th
Pupils create a bar graph. They will collect and organize data to turn into bar graphs. They create graphs for the favorite sports of the class, color of M&M's, and types of cars passing by.
Lesson Plan
Curated OER

The Greedy Triangle-Intro to Geometric Shapes

For Teachers 4th - 6th Standards
 In this geometry lesson, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Lesson Plan
Curated OER

Discovering Conic Sections in the Motion of Heavenly Bodies

For Teachers 9th - 12th
Math scholars study conics and how they are used today. In this mathematical lesson, pupils construct and slice cones after viewing a demonstration. 
Assessment
Achieve

Framing a House

For Students 6th - 10th Standards
If members of your class wonder where they can use the math they learn in middle school, let them discover the answer. Learners apply geometry concepts of scale and measure to calculate the costs of framing a house addition.
Lesson Plan
Curated OER

City Streets: A Fold-up of a Street Lined with Buildings

For Teachers 5th - 8th
After walking in a nearby neighborhood, have your class create this amazing city street pop-up. They study the facades of the buildings they see, focusing on geometric line, shape, and architecture. They then draw, cut, and create a city...
Lesson Plan
Alabama Learning Exchange

Twisted Tangrams

For Teachers K - 4th Standards
Primary geometers create a picture using tangrams. In this geometry lesson, students read Grandfather Tang: A Tale Told with Tangrams, cut out their own tangrams, and choose a character from the story to make using their tangram pieces.
Lesson Plan
Curated OER

Pythagorean Theorem by Graphic Manipulation

For Teachers 7th - 9th
There are many different ways to show a proof of the Pythagorean Theorem.  Here is a nice hands-on paper cutting activity that shows a graphic representation. You can even challenge your young Pythagoreans to come up with their own...
Lesson Plan
Curated OER

It's a Ball, It's a Sphere ... No, It's a Dodecahedron

For Teachers 3rd
Third graders construct a dodecahedron that displays facts about two and three-dimensional figures. They use a pattern to construct a dodecahedron after writing facts about geometry onto each of the figure's twelve faces.
Lesson Plan
Curated OER

Add'm and Eve in the Garden

For Teachers 6th - 8th
Students research and design five different shaped raised beds for the school garden. In small groups, they conduct Internet research, measure and create a cost analysis for the construction and design, and submit their plans to the...
Lesson Plan
Curated OER

Make a Box

For Teachers 10th - 12th
Young scholars use specific dimensions to create a box. In this geometry lesson plan, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
Lesson Plan
Curated OER

Lines of Symmetry

For Teachers 4th
Fourth graders identify lines of symmetry using reflections and then construct figures that have one or more lines of symmetry. In this symmetry lesson plan, 4th graders use sets of shapes, pattern blocks, a mirror, and more.
Lesson Plan
Curated OER

Two-Dimensional and Three-Dimensional Shapes

For Teachers 1st
First graders explore 2-dimensional and 3-dimensional shapes. In this geometry instructional activity, 1st graders examine the attributes of 2 -dimensional and 3-dimensional shapes. They also create the shapes as they build models. This...
Lesson Plan
Curated OER

Folding Shapes; Are the Sides the Same?

For Teachers 2nd
Second graders explore geometry by experimenting with fold-ables. For this geometric shapes lesson, 2nd graders utilize cutout shapes from construction paper which they experiment with by folding. Students examine the symmetry and...
Lesson Plan
Curated OER

Our Geometric World

For Teachers 3rd
Third graders explore the attributes of polygons. In this geometric shapes lesson plan, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students...
Lesson Plan
Curated OER

The Anti-Gravity Machine

For Teachers 5th - 8th
Learners examine physics by completing a bicycle experiment in class. In this gravity instructional activity, students measure the characteristics of different bicycles and compare their different race times. Learners utilize a...
Lesson Plan
Curated OER

Cross That Bridge

For Teachers 6th - 8th
Learners create paper bridges. In this geometry and architecture lesson plan, groups use legal paper and paper clips to design a bridge that will hold 100 pennies. Links to mini-lessons exploring stability of different geometric figures...
Lesson Plan
Curated OER

Geometry of Democracy

For Teachers 3rd - 5th
Students explore the architecture of New England by identifying geometric shapes.  In this architectural lesson, students examine photographs of classic building architecture and use a transparency to trace geometric shapes they...
Lesson Plan
Curated OER

Deriving the Formula For the Area of a Circle

For Teachers 6th - 12th
Young scholars derive the formula for the area of a circle. They form a rectangle by partitioning a circle using construction paper and scissors.
Lesson Plan
Curated OER

Making Shapes

For Teachers 10th
Tenth graders construct geometric figures using compasses and protractors.
Lesson Plan
Curated OER

Design Your Dream Stadium

For Teachers 4th - 12th
Students raise their design awareness about construction considerations for large public facilities including safety, accessibility, funding, construction materials, and space, use geometry and other mathematical skills to calculate size...
Unit Plan
National Security Agency

Backyard Building - Area and Perimeter

For Teachers 2nd - 4th Standards
Turn young mathematicians into landscape architects with this four-lesson series on area and perimeter. Beginning with a basic introduction to calculating perimeter and area using non-standard units of measurement, this...
Lesson Plan
Curated OER

Wind Effects on Model Building: Pre-Lab for Truss Design and Testing

For Teachers 9th - 12th
Emerging engineers perform pre-lab calculations in this first of a three-part lesson on model building. They determine the forces of tension and compression in a truss. After completion of the worksheet, pupils will draw a draft of their...
Lesson Plan
Curated OER

Angles

For Teachers 4th - 5th
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...