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Lesson Plan
Curated OER

N Equal Parts by Construction

For Teachers 6th - 8th
Learners experiment with straight edges and compasses to divide lengths into equal parts. They identify different fractions of the total length.
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Lesson Plan
Curated OER

Symmetry In Nature

For Teachers 6th - 12th
Students investigate the symmetry that is found in nature. They view shapes and patterns in nature while looking at images. Students look for tessellations while obtaining photographs with a digital camera. The information is used for...
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Lesson Plan
Curated OER

Meet the Polygon Family

For Teachers 4th
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
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Lesson Plan
Curated OER

Ovals, Rectangles, Squares, and Triangles

For Teachers 3rd - 5th
Pupils identify geometrical shapes displayed in photographs of everyday objects in a metropolitan setting.
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Lesson Plan
Curated OER

Wing Shapes and Areas

For Teachers 8th - 10th
Students, after reading the explanation given below, use FoilSim to determine the weight of the aircraft that can be lifted by a pair of wings of each type. They also design a unique platform of a wing to lift a plane weighing 11500 pounds.
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Lesson Plan
Curated OER

Properties of Fractals

For Teachers All
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Lesson Plan
Curated OER

Properties of Fractals

For Teachers 6th - 8th
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
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Lesson Plan
Curated OER

Eye From the Sky

For Teachers 4th - 8th
Students are introduced to the concept of aerial perspective and scale. Students will use satellite technology to view their neighborhoods and sketch the area surrounding their schools. They will take part in a neighborhood walk to view...
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Handout
CK-12 Foundation

Ck 12: Geometry: Lines and Angles Study Guide

For Students 9th - 10th Standards
This study guide on lines and angles covers key terminology; line notation; parallel, perpendicular, and skew lines; and postulates and theorems about lines. It is available for download with free registration.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 7th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify corresponding angles formed when a line intersects two other lines. Students examine guided notes, review guided practice, watch...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify corresponding angles formed when a line intersects two other lines. Students examine guided notes, review guided practice, watch...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about corresponding angles, and how to use them to determine whether or not lines are parallel. Students examine guided notes, review...
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Activity
Texas Instruments

Texas Instruments: Cabri Geometry Tour

For Teachers 9th - 10th Standards
In this activity, students use the Cabri software to mark points, draw lines, construct parallel and perpendicular lines, angles, bisectors, and triangles. They learn how to use the tool to measure angles.
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Unit Plan
Khan Academy

Khan Academy: Determining Tangent Lines: Angles

For Students 9th - 10th Standards
Solve two problems that apply properties of tangents to determine if a line is tangent to a circle.
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Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals

For Students 3rd - 8th Standards
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
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Handout
Math Planet

Math Planet: Geometry: Measure and Classify an Angle

For Students 4th - 5th Standards
Explains the terms and symbols used to discuss line angles, what an angle is, and the types of angles. Includes short video lesson demonstrating how to use a protractor to measure an angle. [0:57]
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Handout
Oswego City School District

Regents Exam Prep Center: Geometry Vocabulary Resources

For Students 9th - 10th
A list of geometry definitions and a matching activity.
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Activity
Oswego City School District

Regents Exam Prep Center: Parallel Lines

For Students 9th - 10th Standards
Material to supplement classroom instruction on parallel lines: a lesson on angles with parallel lines, a practice quiz, and a link to an investigation on angles with parallel and non-parallel lines.
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Handout
Cuemath

Cuemath: Angles

For Students 9th - 10th Standards
A comprehensive guide for learning all about angles with definitions, examples, and practice questions.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Vertical Angles Grade 7

For Students 7th Standards
[Free Registration/Login may be required to access all resource tools.] Identify adjacent and vertical angles formed by intersecting lines and then find missing angle measures.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Vertical Angles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Identify adjacent and vertical angles formed by intersecting lines and then find missing angle measures.
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Unit Plan
CK-12 Foundation

Ck 12: Perpendicular Lines

For Students 6th - 9th Standards
[Free Registration/Login Required] Students explore the concept of perpendicular lines by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Circle Geometry Properties

For Students 6th - 8th
Investigate circles, namely their angles, chords, and tangents using this highly interactive Learn Alberta math. Explore a number of circle geometry properties that can be used to determine unknowns. Be sure to follow the link to the...
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Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Basic Geometry: Points, Lines, and Angles

For Students 3rd - 6th Standards
Students can review basic geometric terms using these self-check, multiple choice questions. Three levels of questions are provided.

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