Lesson Plan
Curated OER

Comparing Data on Graph A and Graph B

For Teachers 2nd
Second graders gather and graph data.  In this graphing lesson, 2nd graders collect data and graph this information using tally charts, bar graphs, pictographs, or tables. They make predictions about the outcomes.
Lesson Plan
Curated OER

Our Geometic World

For Teachers 1st - 5th
Young scholars walk around the neighborhood and identify various polygons and lines in buildings, nature and other objects. They design a building using various geometric patterns, shapes and lines. Students complete a descriptive...
Lesson Plan
Alabama Learning Exchange

Creating a Reflection

For Teachers 4th - 7th Standards
Investigate geometric reflections in this geometry lesson. Create geometric reflections that show the reflection across the x and y axis of a coordinate graph. Learners watch a teacher demonstration before proceeding on their own. They...
Lesson Plan
Curated OER

Flip's Flag

For Teachers 5th
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
Lesson Plan
Curated OER

Midsegments of a Triangle

For Teachers 9th - 12th Standards
Students analyze midsegments of triangles in this lesson plan. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this lesson plan in Cabri...
Lesson Plan
Curated OER

Angling Your Way Through a Picture

For Teachers 5th - 7th
Students look at the geometry in an artwork. In this art history/geometry lesson, students research the artist Charles Sheeler and look at his painting Stacks in Celebration. They find the different types of lines, angles, and...
Lesson Plan
Curated OER

Longshore Current

For Teachers 9th - 12th
Learners are posted at the beginning and end of a 10-meter long line parallel to the ocean and are instructed to look straight ahead towards the water. The student at the beginning of the line uses a stopwatch, goes to the water's edge...
Lesson Plan
Curated OER

Tessellations

For Teachers 3rd - 6th
Students learn and review basic geometric terms, definitions, and theory, including regular polygons, lines, angles, points, etc. They make a tessellating stamp and create a repeating work of art.
Lesson Plan
Curated OER

Where in the World

For Teachers 4th - 5th
Students explore the global grid system. In this globe lesson, students identify latitude and longitude lines and how these can tell the coordinates of any place. They use the Internet to find the exact coordinates for their town. 
Lesson Plan
Curated OER

Mr. Lincoln's Hat

For Teachers K - 5th
Bring out the inner artist with this Abraham Lincoln lesson. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
Lesson Plan
Curated OER

Origami Frogs

For Teachers 9th
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.
Lesson Plan
Incredible Art

1, 2, and 3-Point Perspective

For Teachers 9th - 12th
Introduce drawing students to perspective with a series of lesson that detail how to draft images in one-, two-, and three-point perspective. Each exercise includes step-by-step, illustrated directions and examples.
Lesson Plan
Curated OER

2-D Geometry

For Teachers 3rd
Third graders describe and compare attributes of two-dimensional shapes. They explain geometric terms, angles and shapes. Students demonstrate each vocabulary word with their body and they mirror the body positions associated with each...
Lesson Plan
Curated OER

Triangle Attributes and Measures

For Teachers 7th
Seventh graders explore the concept of triangles. In this triangles instructional activity, 7th graders sort triangles according to various attributes such as acute, obtuse, isosceles, or equilateral. Students find the area and perimeter...
Lesson Plan
Curated OER

Geo-Mat

For Teachers 1st - 3rd
Students review plane figures by playing a game that resembles "Twister." They listen to directions to locate a large example of the figure which is placed on the floor.
Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Students explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
Lesson Plan
Curated OER

Strongest Polygon

For Teachers 9th - 12th
Students define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
Lesson Plan
Curated OER

Incredible Edible Bridges

For Teachers 7th - 10th
Learners create a bridge using engineering and geometric concepts. In this geometry lesson, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem solving...
Lesson Plan
Curated OER

Constructing Midsegments of Triangles

For Teachers 9th - 10th
Students construct midsegments. In this geometry lesson, students make conjectures and apply properties of triangles to solve problems. They complete an activity on the computer.
Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
Lesson Plan
Curated OER

Exploring Indiana's Natural Resources

For Teachers 4th
Fourth graders complete a variety of activities as they study the European exploration of the Midwest, focusing on Indiana. They map the path explorers took, comparing the British with the French. They research why the explorers stopped...
Lesson Plan
Curated OER

Draw It!

For Teachers 3rd - 4th
Students follow directions to make two- and three-dimensional shapes. Focusing on polygons, they use the shapes to solve real-world problems and review with the class. They read two of Shel Silverstein's poems and discuss the...
Lesson Plan
EngageNY

Informal Proof of AA Criterion for Similarity

For Teachers 8th Standards
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
Lesson Plan
Curated OER

Define Geometry Terms

For Teachers 3rd - 5th Standards
The Common Core is intended to help all children meet high academic standards. Here is a Common Core designed lesson that is intended for learners with communication or language difficulties. The lesson is written in a narrative style...