Curated OER
Crystals: Geometry and Groups
Learners discuss the importance of examining crystals and experiment growing them. In groups, they complete a project in which they use groups in geometry just like crystallographers. They practice solving the groups and proofs and...
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Geometry Center Games
First graders review the placement of positional words and shapes. In groups, they travel between eight centers throughout the classroom in which they participate in various activities. They focus on concepts that are related to Geometry.
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Geometry Flip Book
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
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Exploring Projective Geometry
In this exploring projective geometry worksheet, students use computer software for instruction, then answer 9 questions about 3D drawings.
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Hands-On Geometry
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
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Math and Circumference
Sixth graders explore geometry by utilizing mathematical formulas. In this circumference lesson, 6th graders identify the difference between diameter, circumference and radius in a circle. Students review the formulas for finding...
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Geometry: Lesson 10
Eighth graders investigate the Pythagorean theorem and how it is used in geometry. Measurements for different triangles is given and then students must solve problems in order to practice using the formula.
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Geometry: Cut, Construct and Think
Students explore polygons. In this geometry skills instructional activity, students complete an activity that requires them to solve geometry problems that involve polygons as they piece together geometric shapes. Students analyze the...
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Risk Assessment and Geometry
Tenth graders study the concept of risk analysis as it relates to geometry. In this spatial relationship lesson, 10th graders are provided a set of coordinates to analyze a piece of land described. Students write a description that...
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Math and Native Americans
Students explore how math is relevant to Native Americans. Students investigate Indian culture through geometry. They describe and create geometric polygons and patterns. Students problem solve with tangram patterns to make Indian...
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Bridges to Math Comprehension Extension Worksheet
For this math comprehension and web research worksheet about bridges, young scholars describe what they see when visiting a designated website. They access the math section of the Geometry Connections website before describing what they...
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Similar Triangles - Geometry Exploration
Eighth graders become engaged in a lesson in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change geometric...
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Geometry and Spatial Reasoning 2
In this math worksheet, young scholars use pictures of hands, bears, and cartoon characters to review geometrical terms including reflections and rotations.
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Garden Variety Geometry
Learners prepare to take the GED by reviewing basic math concepts. In this geometry activity, students review vocabularies such as formula, perimeter, circumference and other important geometric terms. They convert between the English...
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Fractals Teachers' Notes
When you see a flower or a tree in nature do you see the math? This web resource contains many ideas for using fractals in a math class including Sierpinski’s triangle, Koch's Snowflake, and the Jurassic Park Fractal. Additionally, it...
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Geometry and Shapes
Fourth graders are asked to name different shapes.Four to five students to share their answers with the class. The teacher leads the discussion in geometry about the properties associated with shapes.
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Geometry Shapes Playground Safety
Students create a new playground design to present to elementary students during Playground safety week. They review basic geometry to use in observing and recording the equipment on a local playground. They research playground safety...
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Nature of Geometry
Fourth graders capture geometry in nature. In this nature of geometry lesson plan, 4th graders use digital cameras to find real life examples of geometric terms. Students create a presentation using the digital pictures and terms...
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Geometry Journal: Classifying Solids
In this geometry worksheet, 10th graders respond to journal prompts related to prisms and classifying solid shapes. The two page worksheet contains nine questions. Answers are included.
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Measure: Bearings and Scale Drawings
Pupils practice drawing geometric figures. In this geometry lesson, learners complete an activity that requires them to draw angles and shapes to the nearest degree.
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Splitting the Penstock
Pupils investigate the best way to calculate the measurements of an area. In this geometry lesson, students relate a large circle to a cylinder and its measurements. They use PVC pipes to gain hands on experience as they calculate the...
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What is a Line of Reflection?
Line of reflection is basically a geometry term used in the transformation of figures. It identifies the line on the graph that you reflect a figure over. The line can be vertical, horizontal, and diagonal. Actually, it can be any line...
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How Do You Use Complementary Angles to Find a Missing Angle?
Are complementary angles nice to each other? That's not what complementary means in math. Complementary angles are two angles that add up to 90 degrees and form a right triangle. So if given one value in a problem about complementary...
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Marshmallow Geometry
Third graders create 2D and 3D shapes using marshmallows and toothpicks. In this geometry lesson, 3rd graders create their shapes and document the number of faces, edges, corners, angles, and sides. They share one shape and its...
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