Curated OER
Class of Gold
How can you see a number in nature? Here, learners discover both Fibonacci numbers and the golden ratio by exploring a number of different resources. Note: Some of the resources are older and may be missing some of the links, but...
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Graphing Quadratic Equations with a Coefficient of One
This is a teacher page for a lesson and does not include any materials to support the lesson. Students graph quadratic equations with a coefficient of one and create a table of values to graph a quadratic equation. They plot the values...
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CSI Investigation of Congruence and Similarity
Students differentiate between similarity and congruence using polygons. In this geometry lesson, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.
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Sketching Prisms
Students sketch and create nets of different polygons.In this geometry lesson, students differentiate prisms from other three-dimensional shapes. They define the properties of prisms.
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Data Representation
Students solve real life scenarios using math. In this geometry activity, students collect, predict and interpret data. They measure a chair using different measurements and choose what would make the chair the best design.
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Are you in Golden Shape
Learners solve and verify the solution for unknown measures. In this geometry lesson, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
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Parallel-o-Home
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
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Transformation Trio
Students identify the transformation and rotation of polygons. For this geometry lesson, students use picture to perform rotation, reflection and transformation. They identify the coordinate points of the new transformation.
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CSI Investigation
Young scholars solve real life situation using the Pythagorean Theorem. For this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
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Ara of Circles
Students identify the differentiate the different properties of circles and parallelograms. In this geometry lesson, students calculate the area of each solid and identify the formula. They relate Pi to the circumference of a circle.
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Radius, Diameter and Area
Students identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.
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Unit Circle and Triangle
Pupils apply the Unit Circle to solve ratios of triangles. In this geometry instructional activity, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right...
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Fractal Fern
Learners identify the location of coordinate pairs of an image. In this geometry lesson plan, students perform transformation and identify the image and pre-image point of location. They apply the concept of fractals to...
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Tessellations
Seventh graders investigate geometric shapes using tessellations. In this geometry lesson, 7th graders practice tessellations using different shapes. They create different designs using tessellations.
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Introduction to Unit V-Transformations
Students investigate transformations. In this Algebra I/Geometry lesson plan, students explore reflections, translations, rotations and dilations. The lesson plan includes examples of transformations in art, architecture, and...
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Redesigning the Classroom
High schoolers redesign the classroom space. In this geometry instructional activity, students part take in making classroom rules and assigning value to the space in the classroom. They investigate measuring and problem solving in this...
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Equations in Motion: Design and construct a mobile
Learners participate in a lesson that covers the concepts of solving equations and inequalities. To master the concept they must demonstrate visually and verbally how both sides of an equation must be balanced. They construct a balanced...
Think Map
Know Your Polygons!
Shape shifters recognize characteristics of polygons. Embracing language arts skills in addition to math, they use a thesaurus to pinpoint specific attributes of a set of polygons. They also participate in a 21-question guessing game...
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The Golden Ratio
Seventh graders investigate a ratio found in nature and in numerous pieces of artwork throughout history. The lesson is cross-curricular and builds a sense of appreciation of design for students.
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Introduction to Fractals: Infinity, Self-Similarity and Recursion.
This instructional activity introduces young scholars to the ideas involved in understanding fractals. They develop a sense of infinity, self-similarity and recursion and
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Navajo Rug
Students explore geometry in Navajo rugs. For this shape art lesson, students create a Navajo rug design using triangles and squares. Students investigate designs on the Internet and then create an original design.
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Shape Lessons That Connect
Shape lessons provide a way for students to learn about art, science, and math.
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Geometry and Symmetry
Students examine tessellations and their geometric properties. The lesson and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.