Worksheet
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Find Radius/Diameter

For Students 2nd - 10th
In this geometry worksheet, students calculate the radius and the diameter of the five given circles. There is an answer key included.
Lesson Plan
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Investigation-On the Surface

For Teachers 5th - 7th
Students compute the surface area of 3 geometric solids to determine the shape of package that would require the least amount of paper to wrap. In this geometry lesson, students work on a two-question assessment embedded in the plan. The...
Lesson Plan
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Investigating: Finding the Volume

For Teachers 6th
Sixth graders explore geometry by utilizing colored cubes in class. In this volume lesson plan, 6th graders identify the different shapes they can create using their colored cubes and identify the formula for finding volume. Students...
PPT
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Jeopardy Math Review

For Teachers 6th - 8th
Students play a Jeopardy type game to review math concepts. They review five topics: Number Sense, Fractions and Whole Numbers, Geometry and Measurement, Decimals and Percents, and Algebraic Thinking.
Lesson Plan
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Describing an Object's Position

For Teachers 6th - 7th
Students explore language arts by participating in a shape identification activity. In this geometry shape lesson plan, students discuss the vocabulary terms used to describe the location of an object. Students complete a worksheet based...
Lesson Plan
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Sketch Up

For Teachers 5th - 10th
Students estimate and measure exact. In this geometry lesson, students create different object in three-dimensional pattern. They use SketchUp to create their shape and perform measurements on their shapes.
Lesson Plan
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Tessellations: Use Right Angles To Explain The Tessellation of Objects

For Teachers 6th - 10th
Students examine a selection of shapes and identify which shapes tessellate and why. They design and make a pattern which involves translation, reflection, or rotation. Students describe the features of 2-dimensional and 3-dimensional...
Lesson Plan
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"The Greedy Triangle" by Marilyn Burns

For Teachers 4th - 6th
Students discover which regular polygons can be used to tile a plane.
Worksheet
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Calculating Perimeter 3

For Students 5th - 7th
In this calculating perimeter worksheet, students examine 8 rectangles and use the information provided to find the perimeter of each of them.
Worksheet
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Calculating Perimeter

For Students 4th - 6th
In this calculating perimeter worksheet, students examine 8 rectangles and use the information provided to find the perimeter of each of them.
Worksheet
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Net (Triangular Prism)

For Students 4th - 6th
In this net instructional activity, students use the pattern to create a triangular prism. Students cut out the pattern and fold on the dotted lines and paste it to make the solid figure.
Worksheet
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Math Word Problems

For Students 6th
In this math word problems worksheet, 6th graders use their problem solving skills to respond to 1 problem that requires them to calculate volume.
Worksheet
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Perimeter and Area Practice

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
Worksheet
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Perimeter and Area Practice 2

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
Lesson Plan
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The Anti-Gravity Machine

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

For Teachers 6th - 8th
Young scholars examine statistics by completing a skateboard measuring activity. In this flex lesson, students define what skateboard "flex" refers to and identify the proper method of measuring flex by conducting an experiment with...
Lesson Plan
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Irregular Fractals

For Teachers 6th - 8th
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Lesson Plan
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)

For Teachers 1st - 12th
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...
Lesson Plan
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Introduction to Biometrics

For Teachers 6th - 8th
Students use the internet to research how biometrics is being used in the real world today. They work together to research hand geometry applications. They share their findings with the class.
Lesson Plan
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Sir Cumference and the Dragon Pi

For Teachers 6th - 8th Standards
Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...
Worksheet
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How Many Sides, Faces, Vertices and Edges?

For Students 5th - 6th
In this geometry instructional activity, students determine the number of sides, faces, edges and vertices of given figures. A reference web site is given for additional activities. 
Worksheet
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How Many? Sides, Faces, Vertices and Edges

For Students 5th - 6th
In this geometry worksheet, students look at a set of shapes, determining how many sides, faces, vertices and edges they have. A reference web site is given for additional activities.
Worksheet
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Geometric Images: Top View, Front View or Either

For Students 5th - 6th
In this geometry worksheet, students analyze 3 figures made of blocks. For each figure, students study a second image and indicate if it is a top view, front view or either.
Worksheet
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Angles: 90, 180, 270, 360 Degrees

For Students 5th - 6th
In this geometry worksheet, students solve 4 problems in which an angle is analyzed. Students mark the correct choice for each angle: 1/4 turn, 1/2 turn, 3/4 turn or full turn. There are no examples or instructions.

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