Lesson Plan
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Exploring Chords: Products of Chord Segments

For Teachers 7th - 10th
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on  a circles.
Lesson Plan
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Product of Chord Segments

For Teachers 9th - 10th
Students creating chords intersection using circles. For this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
Lesson Plan
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Investigating Quadrilaterals

For Teachers 4th
Fourth graders discuss the various attributes of quadrilaterals. In groups, they use the attributes to sort quadrilaterals into different classes and a hierarchy. They review the new vocabulary and attributes with a partner to end the...
Lesson Plan
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World Projections

For Teachers 4th - 5th
Young scholars identify map projections and examine polar maps. In this map skills lesson, students use a flat world map to identify various projections and calculate the distances between locations by using a map scale.
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Incredible Edible Bridges

For Teachers 7th - 10th
Students create a bridge using engineering and geometric concepts. For 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
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Play Dough Day

For Teachers 12th
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
Lesson Plan
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Investigating Pythagorean Triples

For Teachers 9th - 10th
Students investigate and solve Pythagorean triples. In this geometry lesson, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
Lesson Plan
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Investigating the Pythagorean Triples

For Teachers 9th - 10th
Students investigate the Pythagorean triples. In this geometry lesson plan, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Identifying Lines of Symmetry

For Teachers 8th - 10th
Students calculate the lines of symmetry using polygons. In this geometry instructional activity, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Gargoyles

For Teachers 6th - 9th
Students design gargoyles modeled after the ones seen on Gothic cathedrals. They research the function and significance of gargoyles.
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Does the Area of the Quadrilateral Change?

For Teachers 7th
Seventh graders complete activities to further their understanding of area formulas. In this area lesson, 7th graders watch as the teacher uses Polystrips to model parallelograms. Students find the area of a rectangle and answer...
Worksheet
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Math Vocabulary Decoding Activity

For Students 5th - 6th
In this math vocabulary instructional activity, learners use a letter key code to match match vocabulary words to their definitions. A reference web site it given for additional activities.
Worksheet
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Math Vocabulary Maze

For Students 4th - 6th
In this math maze worksheet, students navigate their way through a maze using clues and spelling out math vocabulary words. A reference web site is included for additional activities. 
Lesson Plan
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Navy Sail Design

For Teachers 9th - 12th
High schoolers use the Pythagorean Theorem to explore sailboat design. In this Pythagorean Theorem lesson, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet, bulletin board...
Lesson Plan
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Blindfolded Building

For Teachers K - 8th
Young scholars build a Lego design and then work with a partner to reproduce that design. They guide the building of the reproduction by description only and then check their work.
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Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
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Sled Kites and Trigonometry

For Teachers 9th - 12th
Students study the history of kites and their fundamental properties.  In this kites lesson students divide into teams and build and fly kites. 
Lesson Plan
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Keith Haring and Graffiti

For Teachers 3rd - 8th
Students appreciate the art of the artist Keith Haring. They design and implement Keith Haring-like images for a wall mural and explain and experience a project containing many different compenents and processes from beginning to end.
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Linear Sculpture

For Teachers 6th - 12th
Students discuss how artists communicate visually in their work using the elements of design. The elements of design should be used as the building blocks of the structure you are trying to create. The elements of design are form, space,...
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Equilateral Triangles

For Teachers 4th - 5th
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
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Penguins, Penguins, Penguins

For Teachers K - 3rd
Students create "juice bottle penguins" using paper mache, water-based paints, water, and recycled juice bottles. This lesson is intended for early-elementary students and is great as a post-activity for a lesson or unit on Penguins or...
Lesson Plan
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Mother Nature Pattern Maker

For Teachers K - 2nd
Students in a teacher education program enhance their awareness of patterns. They discover how to support their students in developing this skill in mathematical terms. They role play the role of a K-2 student and collect images from...
Lesson Plan
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Out and About-Creating Design

For Teachers 9th - 12th
Students demonstrate the elements of design by creating a digital photography portfolio of photos taken in and arond the scool. The edit photos using Photoshope to emphasize the element of desing in each phot.
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Perspective

For Teachers 4th - 8th
Students explain what is near and far in respect to the horizon line on a 2-d surface. They blend and use oil pastels correctly and explain the concept of a horizon line.