Lesson Plan
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Measuring the Earth

For Teachers 10th - 11th
Students identify types of arcs and angles in a circle, find the measure of arcs and angles, and solve real world problems involving lengths of segments in circles, lengths, and areas.
Lesson Plan
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Polygons And Polyhedra

For Teachers 9th - 12th
Pupils recognize and name two-dimensional and three-dimensional geometric figures. One group of students will extend the study of polygons to quadrilaterals while another group of pupils will extend the study of polygons to quadrilaterals.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 12th
Students investigate the Pythagorean Theorem.  In this seventh through twelfth grade geometery lesson plan, students explore the Pythagorean Theorem and its converse and use it to find the length of the missing side of a right...
Lesson Plan
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Polygons and Plane Figures

For Teachers 4th - 6th
Pupils choose a polygon to define and describe, and use Power Point and the Internet to present their polygon.
Worksheet
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Phone Button Boggle

For Students 7th - 9th
In this phone button boggle worksheet, students identify the number of math words they can find on a phone keypad according to given directions.  This one-page worksheet contains one problem.  Answers are provided.
Lesson Plan
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Identify Cones

For Teachers 3rd
Third graders evaluate the attributes of cones. In this space shapes instructional activity, 3rd graders analyze three-dimensional shapes. Students explore the faces and edges of a cone.
Lesson Plan
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Classify Prisms

For Teachers 6th - 8th
Middle schoolers classify prisms according to their attributes. In this classifying prisms lesson plan, students explore different prisms. Middle schoolers generate observations of the attributes and classify the prism correctly.
Lesson Plan
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Classifying Pyramids

For Teachers 6th - 7th
Students study pyramids. In this prisms lesson, students explore the attributes of pyramids. Students will explore the lateral surface area of pyramids and be able to distinguish pyramids from other space shapes.
Lesson Plan
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Shapes And Colors

For Teachers K
Students distinguish between circles, squares, and rectangles and various colors in which they utilize the KidPix program on the computer to create them. They alternate; allowing each student to have a turn constructing and coloring in...
Lesson Plan
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What on Earth is Greater Than?

For Teachers 4th - 7th
Students compare things that are greater than, less than, or equal to, compare the Earth to other planets, and list planets from greatest size to smallest size.
Lesson Plan
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Getting Familiar with Fractals

For Teachers 9th - 12th
Students use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
Lesson Plan
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DEAD MAN'S CURVE

For Teachers 9th
Ninth graders, after being given a unique scenario and a task sheet on Dead Man's Curve, calculate and explain the force needed to keep a car on a curve using a set of formulas and a geometric property of circles. They utilize and create...
Lesson Plan
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Three-Dimensional Figures

For Teachers 6th
Sixth graders explore three-dimensional objects. Using various objects found in the classroom, they identify faces, edges, and vertices of objects. Students create their own objects. They describe the polydron, telling the faces,...
Lesson Plan
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Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
Lesson Plan
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Pump Up the Volume

For Teachers 4th
Fourth graders calculate volume. In this volume lesson, 4th graders calculate, estimate, and compare units of volume in English and metric systems.
Lesson Plan
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Mineralogy, Astronomy, & Ancient Wisdom

For Teachers 5th - 8th
Learners complete a variety of activities surrounding minerals, crystals, and mineralogy. They locate common minerals on a world map, complete a lab in which they identify the chemical and physical properties of various minerals, etc.
Lesson Plan
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Checking County Numbers

For Teachers 4th - 8th
Learners use their county's information page to gather information about their community. Using the information, they create graphs from the tables provided and interpret the data. They write a paragraph showing their interpretation of...
Lesson Plan
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Speaking Geometrically

For Teachers 4th
Fourth graders are introduced to the vocabulary needed to identify the attributes of two and three-dimensional figures. They work together to create a word wall, which contains the geometric terminology being learned.
Lesson Plan
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Pattern Using Unit Cells

For Teachers 7th - 12th
Students explore the pattern of the unit cell. In this science lesson, students color the unit cells on a worksheet and create a pattern using unit cells.
Lesson Plan
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Space Shapes

For Teachers 1st - 5th
Students read "Captain Invincible and the Space Shapes" by Stuart Murphy and view a PowerPoint presentation on shapes. They identify shapes presented in the book and then identify shapes found in their classroom.
Lesson Plan
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Jin Soo Kim

For Teachers 7th - 12th
Learners examine and discuss a sculpture by the artist Jin Soo Kim. They explore and identify basic sculpture techniques, and create a sculpture using found objects, plaster, and cardboard.
Lesson Plan
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San Diego Architecture

For Teachers 8th
Eighth graders study the cultural and architectural history of San Diego. After study they create a design of a home based of features from historical and modern homes found in their research.
Unit Plan
Math Open Reference

Math Open Reference: Solid Geometry

For Students 9th - 10th Standards
A complete reference guide to solid geometry. The mathematics resource provides definitions and interactive activities that enhance further explanation.
Website
Wolfram Research

Wolfram Math World: Geometry

For Students 9th - 10th
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...

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