Lesson Plan
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What is a Tangram?

For Teachers 2nd - 4th
Learners identify a tangram. For this geometry lesson, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Learners use tangrams to complete an included worksheet.
Lesson Plan
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Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Students classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Lesson Plan
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The Human Skeletal System: Inside and Out

For Teachers 4th - 6th
Students study bone size, structure and shape. They use various geometrical shapes to make a skeleton and produce a poster depicting the skeletal system and its functions. They arrange the pictures into the five sections, glue on...
Interactive
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Area Post Test

For Students 6th - 7th
In this area worksheet, students complete a ten question multiple choice test by finding the area of various geometric figures. This is an interactive worksheet.
Lesson Plan
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Perfectly Puzzling Pentominoes

For Teachers 2nd
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This instructional activity gives students a meaningful way to...
Lesson Plan
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Who Wants to Carry a Million?

For Teachers 7th - 9th
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
Worksheet
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Congruent Containers

For Students 3rd - 6th
In this congruency worksheet, students find congruency in everyday packaging on everyday items and answer questions about them. Students answer 4 questions.
Lesson Plan
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Geometry

For Teachers K
Students build replicas about nature and sports. In this geometry lesson plan, students build 3D replicas of nature and sports objects in teams.
Lesson Plan
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Does the Area of the Quadrilateral Change?

For Teachers 5th - 6th
Students study area and quadrilaterals. In this multiplication and area activity, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
Lesson Plan
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Measuring Supporting Structures

For Teachers 9th - 12th
Students calculate the volume of the Pantheon's columns and estimate changes in weight given different parameters.
Lesson Plan
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The Ruler, The King of Measurement

For Teachers 1st
First graders learn how use a ruler to measure common items. In this measurement lesson, 1st graders examine the numerical markings on rulers and learn that each number stands for a unit of measure. They measure 5 classroom items after...
Lesson Plan
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Inscribed Angles

For Teachers 9th - 10th
Students calculate the inscribed angle of a triangle. For this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
Lesson Plan
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Secant and Secant Segments

For Teachers 9th - 10th
Students use the secant and secant segment theorem to solve problems. In this calculus lesson, students identify where the secant line crosses on a circle. They create circles and secants using cabri software.
Lesson Plan
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Conjectures For Intersecting Circles

For Teachers 9th - 10th
Students identify properties of circles. For this geometry lesson, students identify the center of two intersecting circles.They use Cabri software to create circles and move it around to make observation.
Lesson Plan
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Polygons Defined

For Teachers 4th
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Lesson Plan
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Ge-Oh Boy, Oh Boy

For Teachers 4th - 6th
Young scholars listen to the book, Sam Johnson and the Blue Ribbon Quilt and discuss the art of quilting. They examine various symmetrical sewing designs, and identify reflection pieces, slides, and flips.
Lesson Plan
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Geometric Glances

For Teachers 2nd
Second graders locate, comprehend, interpret, evaluate, maintain, and apply information, concepts, and ideas found in literature, the arts, symbols, recordings, video and other graphic displays, and computer files in order to perform...
Lesson Plan
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Geo Jammin' By DeSign - Day 1, Lesson 6: Quilt Story

For Teachers 2nd - 3rd
Pupils recognize that quilts are created by geometric components. They examine how quilts are an artistic art form that show the cultural heritage of the people who make them.
Lesson Plan
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Lines, Rays, Line Segments, and Planes

For Teachers 9th - 12th
Students are introduced to lines, rays, line segments and planes and study the differences between them. They also practice graphing lines, rays, line segments and planes
Lesson Plan
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Mystery Polygon

For Teachers 2nd
Second graders describe a polygon in the form of a riddle.
Worksheet
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Sort Solid Figures

For Students 3rd - 4th
For this solid figures worksheet, students read the word problems about the solid figures and find the figure that follows the rule.
Lesson Plan
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Mummies Made in Egypt

For Teachers 2nd - 3rd
Students use maps to locate information on Egypt, then create their own maps to display knowledge gained from the lesson and Web sites. They recognize, create, and describe the pyramid's geometric shape in three-dimensional forms.
Organizer
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Learning Tool 32- Net A- Square Pyramid

For Students 4th
In this geometry learning tool worksheet, students cut the shape out along the dotted lines before folding and gluing it to form a three-dimensional figure.
Lesson Plan
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Measurements

For Teachers 7th
Seventh graders solve word problems involving real world situation. In this geometry activity, 7th graders solve problems related to volume. They apply the formulas taught in geometry.