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Lesson Plan
Texas Instruments

Drawing a Line Tangent to a Circle

For Teachers 9th - 12th Standards
Explore lines tangent to a circle. In this math lesson plan, high schoolers manipulate circles and lines on a TI calculator. They draw a circle  and analyze perpendicular lines intersecting the circle in only one place. This...
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Lesson Plan
Curated OER

Narrow It Down

For Teachers K - 4th
Ever played 20 Questions? A similar game helps young learners practice asking and answering yes-or-no questions. Spread out several objects, preferably all similar with slight variations (buttons or coins would work well). A leader...
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Unit Plan
Indiana Department of Education

The Represented World: Communication—Packaging

For Teachers 6th - 8th Standards
Challenge your classes to design and market a new product. Collaborative groups use geometry skills to create packaging for their products. Finally, they plan a marketing strategy to present to a marketing specialist.
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Worksheet
Curated OER

Earth Science Regents: The Ellipse

For Students 7th - 11th
Starting with the instructions to draw an ellipse, and with great pictures, this sheet should help your pupils learn the shapes and measurements involved. Using push pins and string, your class can discover the axis and focus points...
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Lesson Plan
Curated OER

Length, Perimeter and Area

For Teachers 9th - 10th
Learners analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationship
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Lesson Plan
Curated OER

Scenario Challenge

For Teachers 8th - 10th
Students create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
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Worksheet
Curated OER

Sort and Graph

For Students K - 1st
For this sorting and graphing worksheet, students sort 15 objects and then fill in bar graphs to tell how many of each shape there are. The shapes are: heart, star and triangle.
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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.
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Worksheet
Curated OER

Perimeter, Area, Volume, and Surface Area

For Students 10th
For this geometry worksheet students solve problems involving perimeter, area, volume, and surface area for various geometric shapes.  The four page worksheet contains twenty-five problems.  Answers key is provided. 
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Lesson Plan
Curated OER

Pyramids and Prisms: Guler's Formula

For Teachers 6th
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry instructional activity, 6th graders construct a variety of polyhedra. Students recognize the relationships between two...
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Lesson Plan
Curated OER

Geometry and Spatial Sense

For Teachers 6th - 8th
Middle schoolers investigate geometric shapes in 2 and 3 dimensions.  In this geometry instructional activity, students create a model chocolate factory working in groups and using an actual cake.  Middle schoolers take a quiz...
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Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Learners study West Virginia quilts. In this mathematics lesson, students use symmetry, geometric shapes, and patterns to create their own quilt square.
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Lesson Plan
Curated OER

Reflections

For Teachers 10th
Tenth graders perform reflections on different geometric shapes. In this geometry worksheet,students define the concept of geometric reflections and find the coordinates of the reflection on a coordinate grid.
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Lesson Plan
Curated OER

Coordinate Connections

For Teachers 6th
Sixth graders complete several activities that involve coordinates and graph paper. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders draw and label a coordinate...
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Lesson Plan
Curated OER

Geo Jammin' By DeSign - Day 1, Lesson 4: Transformation Station

For Teachers 2nd
Second graders manipulate triangles to discover the concepts of slides, flips and turns of a geometric shape.
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Lesson Plan
Curated OER

Finding Areas of Triangles, Rectangles, and Circles

For Teachers 9th - 10th
Learners find the areas of geometric shapes. In this geometry lesson students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Learners relate the measures to the others by using formulas.
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Lesson Plan
Curated OER

Polyhedra

For Teachers 9th - 11th
Students analyze convex polyhedra through hands on methods. In this geometrical shapes lesson, students construct paper models of convex polyhedra and identify the different properties including the number of sides, faces and edges.
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Lesson Plan
Curated OER

Reflection: Student Worksheet

For Teachers 4th - 7th
In this math worksheet, students will work independently to trace a stencil on an x-axis. Then students will follow a procedure to trace the image on the horizontal line of reflection. Students will observe that reflections and rotations...
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Worksheet
Curated OER

Area of Paralelograms

For Students 8th - 9th
In this online interactive instructional activity, students determine the missing length of a geometric shape and then check their answers.
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Lesson Plan
Curated OER

Transformation, Reflections, Rotations and Translations

For Teachers 9th - 10th
Students create a quilt, using different patterns. In this geometry lesson, students apply prior knowledge as they use different patterns to help them create a quilt using transformations and geometric shapes.
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Worksheet
Curated OER

Geometric Concepts and Polygons

For Students 9th - 11th
In this geometry worksheet, learners identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
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Lesson Plan
Curated OER

Angles

For Teachers 4th - 5th
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
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Lesson Plan
Curated OER

Glasses

For Teachers 7th - 9th Standards
Provide your class some practice with the dimensions of geometric figures. Here you have a set of three different-shaped, stemmed drinking glasses with diameters and heights provided. Math-minded individuals calculate the volume of each....
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Lesson Plan
Curated OER

Snuggle Up To Pattern Blocks

For Teachers 1st - 2nd
Pupils view and discuss a video about the use of pattern block shapes to form pictures. They, in groups, form garden and quilt designs using pattern blocks and then decorate the room with their art.

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