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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Area and Periemeter

For Students 10th
For this geometry worksheet, 10th graders determine the area and perimeters of various quadrilaterals and triangles.  The one page worksheet contains ten problems.  Answers are not provided. 
Lesson Plan
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Introduction to Fractals: Geometric Fractals

For Teachers 6th - 8th
Learners study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Learners complete worksheets based on Geometric Fractals.
Lesson Plan
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What are Fractals?

For Teachers 6th - 12th
Middle and high schoolers identify and analyze fractals and research information using the Internet to locate information about them. They look at fractals in relation to nature and other real world situations. Pupils create several...
Lesson Plan
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Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
Lesson Plan
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Congruence with Robot Gobot

For Teachers 8th - 10th
Students identify the properties of solids and polygons. In this geometry lesson, students identify the different measurements of a triangle. They use congruence parts and theorem to prove their answer.
Lesson Plan
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An Introductions to Congruent Polygons

For Teachers 8th - 10th
Students differentiate between similar and congruent polygons. In this geometry instructional activity, students define the theorems and reasons for polygons similarity and congruence. They are given pictures and patterns to...
Lesson Plan
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Geometric Probablitiy: Spinners and Dartboards

For Teachers 8th - 10th
Sstudents explore and analyze the properties of geometric areas.  In this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and...
Worksheet
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Congruence Activity

For Students 5th Standards
In this congruency activity, 5th graders complete 4 questions about congruent figures and transformations. Page has links to additional activities.
Lesson Plan
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Quadrilateral Review

For Teachers 8th - 10th
Students identify the properties of quadrilaterals. In this geometry lesson, students investigate the history of quadrilaterals and different types of quadrilaterals. They identify the length and mid-segment of each shape.
Lesson Plan
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Snowflake Curve

For Teachers 6th - 8th
Students develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the concepts...
Lesson Plan
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Reflections

For Teachers 9th - 10th
Students investigate image and pre-image. In this geometry lesson, students identify the reflection and rotation of different shape on a coordinate plane. They identify similarities and differences of image and pre-image of a reflection.
Lesson Plan
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Fractal Fern

For Teachers 8th - 10th
Students identify the location of coordinate pairs of an image. In this geometry lesson, students perform transformation and identify the image and pre-image point of location. They apply the concept of fractals to...
Lesson Plan
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Scale Factor- Surface Area and Volume

For Teachers 9th - 10th
Students calculate the surface area and volume of shapes. In this geometry lesson plan, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
Lesson Plan
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Identifying Patterns

For Teachers K - 1st
Students investigate the elements of a pattern.  In this geometry lesson, students identify different shapes in a pattern and discover which shapes are missing in order to extend it.  Students create their own patterns using...
Lesson Plan
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Troublesome Towers

For Teachers 8th - 10th
Learners observe solids and identify parts that make up the surface area. In this geometry instructional activity, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
Lesson Plan
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Exploring Volume of Cylinders

For Teachers 10th
Tenth graders investigate the volume of a cylinder.  In this geometry instructional activity, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions.  The instructional activity progresses...
PPT
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Twenty Questions: Fourth Grade Math Terms

For Teachers 4th
Questions related to math vocabulary from a large variety of categories for 4th graders are displayed throughout this Jeopardy game. Concepts covered include angles, shapes, computation terms, statistics, and place value.
Lesson Plan
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Translations

For Teachers 9th - 12th
Young scholars explore the concept of translations. In this translations activity, students discuss similarities and differences between images and pre-images. Young scholars apply translations to coordinates of figures. Students use...
Lesson Plan
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The X-33 and the X-38

For Teachers 5th - 8th
Students explore the relationships among the lengths, areas, and volumes of similar solids. They also discover what effect doubling the dimensions of a figure has on the resulting area.
Lesson Plan
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Cracks on the Walls

For Teachers 9th - 12th
Students observe the cracks in school walls and pavements. For this geometry lesson, students explore the factors to be considered before building a structure. They complete a graphing and calculation worksheet after the lesson.
Lesson Plan
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Exploring Arrangements of 2, 3, 4, and 5 Cubes

For Teachers 8th - 10th
Young scholars construct models of various tricubes, tetracubes, and pentacubes that are possible, classify n-cubes into different groupings, and draw these figures on isometric dot paper giving true perspective to what they visualize.
Lesson Plan
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It's a 3-D World Out There!

For Teachers 2nd - 4th
Students construct polygons. They identify attributes of three-dimensional shapes. Students name common three-dimensional shapes. They draw three-dimensional shapes, and sort three-dimensional shapes. Students use K'NEX materials sets to...
Lesson Plan
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Patterns in Fractals

For Teachers 8th - 10th
Students explore the concept of fractal patterns. In this fractal pattern lesson, students use an applet about the Hilbert Curve to answer questions about rectangles and other polygons. Students derive the fractal pattern when dividing...