Lesson Plan
Curated OER

Where has Polly Gone?

For Teachers 4th - 6th
Students explore polygons and their uses in careers. They also discover polygons shapes in manmade objects and nature. They use their acquired knowledge to construct a strong structure using polygon shapes.
Lesson Plan
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Tessellations

For Teachers 5th - 8th
Learners identify and construct figures that tessellate. They investigate which regular polygons tessellate and how to modify them to make other tessellating figures. Students explore how naturally occurring tessellations have been...
Lesson Plan
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Slope-Intercept Form of a Line

For Teachers 9th - 12th
Students determine how the slope affects the graph of a line. They relate "b" to the "y"-intercept of a line and solve the equation of a line given "m" and "b." They are given scenarios and possible answers to which they explain why or...
Lesson Plan
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Length

For Teachers 3rd
Third graders examine and explore a variety of ways to measure length. They discuss how to measure large objects using the end-to-end method, and in small groups measure the length of the room using the end-to-end method with a...
Lesson Plan
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Identifying Lines: Horizontal, Vertical, and Oblique

For Teachers 2nd
Second graders identify horizontal, vertical, and oblique lines on a worksheet after learning them in class. They demonstrate a horizontal line with their arms while saying the word and use their arms with no talking to demonstrate...
Lesson Plan
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Introduction to Parallel Lines in Euclidean Space and in Spherical Space

For Teachers 8th
Eighth graders are introduced to the basic concepts of Geometry and their definitions in Euclidean space. They draw and define the following terms: point, line, and line segment. Students also define the terms colliner and...
Interactive
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Pythagorean Theorem

For Students 9th
In this Pythagorean theorem worksheet, 9th graders solve and complete 8 different types of problems. First, they go to the given website and copy the picture shown. Then, students draw a right triangle using the straight line between the...
Lesson Plan
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Investigating Area Using Tangrams

For Teachers 10th
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
Lesson Plan
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Pysanky: Not Just a Pretty Egg

For Teachers K - 6th
Students examine the art of Pysanky. Using the Internet, they identify the cultural similarities and differences between the United States and the Ukraine. Using Pysanky's art, they discover the symbolism he used in his artwork and...
Lesson Plan
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ABC's Transformer

For Teachers 4th
Fourth graders design their own letter graph, and then produce the resulting graphs after a translation, reflection, and rotation. After a review of vocabulary, 4th graders create their graphs using crayons.
Lesson Plan
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Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
Lesson Plan
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Solving System of Linear Equations

For Teachers 7th - 9th
Learners solve systems of equations. In this algebra lesson plan, students identify the number of solutions to a system of equation. They solve using linear combination and graphing.
Lesson Plan
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Geometry Flip Book

For Teachers 3rd - 5th
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...
Lesson Plan
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NON-EUCLIDEAN GEOMETRY.

For Teachers 8th - 9th
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. For this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and the...
Lesson Plan
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CSI Investigation

For Teachers 8th - 10th
Students 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.
Lesson Plan
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Slippery Slope

For Teachers 8th - 10th
Students define patterns, relation and function. In this algebra instructional activity, students find the slope of a line and write equations of line. They model the slope using real life scenarios.
Lesson Plan
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Geometric Construction

For Teachers 7th
Seventh graders investigate some concepts associated with geometric shapes. They study the bisector segment and the perpendicular line to a given line. Students conduct analysis with the goal of deepening observation and deduction...
Interactive
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Graphing Points: Post Test

For Students 5th - 8th
For this graphing points worksheet, students answer multiple choice questions about the points on a given graph. Students answer 10 questions total.
Lesson Plan
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Terrific Tessellations

For Teachers 5th - 6th
Students create, transform, and critique their own piece of artwork. In doing this instructional activity, students get more experience working with angles, lines, and measurement. They gain experience seeing, and creating their own...
Lesson Plan
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Let's Go Slopey

For Teachers 7th - 9th
Students create a table of values to graph a line. In this algebra lesson, students identify the slope and intercept of a linear equation. They use a Ticalculator to graph their function.
Lesson Plan
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This Building is Tall

For Teachers 9th - 12th
Pupils calculate the perimeter of shapes. In this geometry instructional activity, students relate properties of polygons to the real world. They find length, midpoint and slope.
Lesson Plan
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Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry activity, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
Lesson Plan
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Classifying and Constructing Corners

For Teachers 5th
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
Worksheet
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Motions In Geometry

For Students 8th - 10th
For this motions in geometry worksheet, students draw translations, rotations, and reflections. This three-page worksheet contains examples, instructions, and 6 problems. The last page contains answers.