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Lesson Plan
Curated OER

Magnificent Mandalas

For Teachers 5th - 12th
Students examine the principle of radial symmetry and apply it to an original mandala design. They draw a design using organic and geometric shapes, repeating the design symmetrically around the paper.
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Lesson Plan
Curated OER

6th Grade Geometry

For Teachers 6th
Sixth graders identify and analyze characteristics and properties of geometric terms using a digital camera, computer and photo presentation format to create a photo album.
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Lesson Plan
Curated OER

Hexagoning the Circle

For Teachers 6th - 9th
Students explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Students share their designs with the class.
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Lesson Plan
Curated OER

Exploring Centers of a Triangle: Part 1

For Teachers 9th - 11th
Students use problem solving skills, formal geometry, and The Geometer?s Sketchpad. They model and solve two real-world problems by constructing the in center and circumcenter of triangles.
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Lesson Plan
Curated OER

Determining the Uniqueness of a Circle

For Teachers 6th - 8th
Middle schoolers use this lesson to determine how circles are different from other shapes. In groups, they determine the accuracy of three theorems based on the uniqueness of circles. They use a software program to hypothesize about...
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Lesson Plan
Curated OER

Integration Unit: Riemann Sum

For Teachers 11th - 12th Standards
Learners investigate Riemann Sums. In this calculus instructional activity, students solve problems involving Riemann sums and Right Riemann Sums.
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Lesson Plan
Curated OER

Water Quality Monitoring

For Teachers 6th - 12th
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
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Worksheet
Curated OER

Geometry, Word Search Puzzle

For Teachers 6th - 8th
In this math worksheet, students look for the words that are related to the math words used in the practice of geometry. They also practice spelling.
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Lesson Plan
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Proposed Problems

For Teachers 6th - 8th
In this math worksheet, students find the solutions to the problems that involve solving equations with and without rational expressions.
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Lesson Plan
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Adding Integers

For Teachers 3rd - 4th
Students explore the concept of adding and subtracting integers. In this integer lesson, students use strips of paper (various sizes) to add and subtract integers. Students visualize the process of adding and subtracting integers.
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Worksheet
Curated OER

Maryland

For Students 4th - 6th
In this Maryland reading comprehension worksheet, students read a 2-page selection regarding the state and they answer 10 true or false questions pertaining to the selection.
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Worksheet
Curated OER

Calculus Test

For Students 11th - 12th
In this calculus worksheet, students assess their understanding and knowledge of limits, derivatives, differential equations, and other calculus topics.  The one page worksheet contains twenty-eight multiple choice questions.  Answers...
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Worksheet
Curated OER

Special Segments is a Triangle

For Students 10th
In this geometry worksheet, 10th graders examine the special segments that occur in a triangle.  The three page worksheet contains twenty-five problems.  Answers are not included. 
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Lesson Plan
Curated OER

Giving and Receiving Compliments

For Teachers 7th - Higher Ed
Students explain why giving sincere compliments is important. In this communication lesson, students describe ways to compliment someone either verbal or nonverbal. They discuss their ideas in class.

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