Lesson Plan
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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
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Building Homes

For Teachers 2nd - 6th
Students investigate architecture and construction by building a home from cardboard tubes.  In this housing lesson, students collaborate in groups to plan and create buildings they can fit in made from cardboard tubes, newspaper...
Worksheet
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Vertical Angles Exploration

For Students 10th
In this vertical angles explorations worksheet, 10th graders solve and complete 6 different types of problems. First, they use a ruler and a protractor to measure the angles illustrated. Then, students complete the tables next to each...
Lesson Plan
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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
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Twenty Green Gates

For Teachers 2nd
Second graders explore mathematics by participating in a pattern building activity. In this geometric construction lesson, 2nd graders discuss a story problem in which a gate needs to be built from triangles and trapezoids up to a...
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Boat Design

For Teachers 8th - 10th
Young scholars build a boat and make predictions. In this geometry lesson, students design a cargo boat. They must show that the boat they designed can carry the cargo.
Lesson Plan
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The Anti-Gravity Machine

For Teachers 5th - 8th
Students examine physics by completing a bicycle experiment in class. In this gravity lesson, students measure the characteristics of different bicycles and compare their different race times. Students utilize a shoebox,...
Lesson Plan
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Wheeling It In!

For Teachers 3rd - 5th
Students use everyday materials (milk cartons, water bottles, pencils, straws, candy) to build a small-scale transportation device that incorporates the wheel and axle and the lever. They race their carts/trucks, measure distance, time...
Lesson Plan
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Altitudes and Orthocenters: Making Connections to the Nine-Point Circle

For Teachers 9th - 12th
Students practice various equations for constructing nine-point circles for triangles.
Lesson Plan
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Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Plan
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The Trapping of Trapezoids

For Teachers 6th - 8th
This is a nice hands-on activity where young geometers create trapezoids and calculate their area by looking at areas of quadrilaterals and triangles. 
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Lesson Plan Two: Polygons

For Teachers 5th Standards
Learners explore the concept of polygons on a two-dimensional plane. They identify polygons in everyday life and draw different polygons according to their classification. Using a geoboard and geobands, they consrtuct polygons and even...
Lesson Plan
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Best Practices in Technology Integration

For Teachers 10th - 12th
Students go through various construction techniques needed to bisect angles, lines and arcs, construct a perpendicular from a vertex to a line, construct the center of a circle, transfer an angle, and various other constructions normally...
Lesson Plan
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Cut, Construct and Think 3

For Teachers 5th - 8th
Students identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
Lesson Plan
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Cut, Construct and Think - 4

For Teachers 5th - 8th
Students identify polygons. In this geometric shapes lesson, students identify and describe polygons. Students create new shapes out of the shapes they are given.
Lesson Plan
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Cut, Construct and Think - 6

For Teachers 5th - 8th
Students identify polygons and calculate perimeter. For this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Lesson Plan
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Exploring Special Segments in Triangles

For Teachers 9th - 12th
Young scholars discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
Lesson Plan
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Geometry: Classifying Angles

For Teachers 9th - 12th
Students measure, construct, and classify angles as acute, right, straight, and obtuse. Once they have completed an angle worksheet, students use a map of South Carolina to locate cities by constructing the aforementioned angles.
Lesson Plan
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"it's All in the Cellar"

For Teachers 7th
Seventh graders examine the process of constructing a site plan map at archaeological sites. They discuss the process of mapping techniques and calculation of percentages, create a plan site map of a cellar at Jamestown, and calculate...
Lesson Plan
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Hog Farming in North Carolina

For Teachers 9th - 10th
Students assume the role of a scientist hired by the North Carolina Pork Council to mediate legislative reform and farming needs. Students work with the research group to design a more efficient yet cost effective hog lagoon. Designs...
Lesson Plan
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Fun Ideas for Getting A-Round in Math CIRCLES

For Teachers 6th - 8th
Students see circles in real life and have fun with them
Lesson Plan
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Making Shapes

For Teachers 10th
Tenth graders construct geometric figures using compasses and protractors.
Worksheet
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Measuring Angles

For Students 10th
In this measuring angles activity, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also refer to the...
Lesson Plan
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Measure the Angle

For Teachers 7th - 9th
Students measure angles.  In this angle lesson plan, students draw angles.  They  use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse.