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Interactive
Curated OER

A Trying Triangle Problem

For Students 8th - 10th
In this geometry worksheet, students calculate the length of the sides of a given triangle. They also find the perimeter and area of the triangles given its side values. There is an answer key with this problem.
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Lesson Plan
Curated OER

Introducing Trigonometry

For Teachers 11th
Eleventh graders explore the three basic trigonometric functions. In this trigonometry/Algebra II lesson, 11th graders use GeoGebra and the unit circle to define the ratios of sides is a right triangles as they examine the full domain...
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Worksheet
Curated OER

Related Rate Problems

For Students 11th - 12th
For this calculus worksheet, students solve problems that involve related rates.  The two page worksheet contains twenty-four problems.  Answers are not provided. 
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Worksheet
Curated OER

Quadratics Quiz

For Students 11th - 12th
In this algebra worksheet, solve 3 multi-step problems involving various quadratic functions.
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Worksheet
Curated OER

Quadratic Functions

For Students 9th - 11th
For this algebra worksheet, students perform transformations on quadratic functions. They describe the different properties of quadratic functions. There are 12 problems.
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Worksheet
Curated OER

Concurent Circles II

For Students 9th - 11th
For this geometry worksheet, students draw a shape based on the directions. They tell the reasons the four resulting circles are concurrent. A sample drawing is included.
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Lesson Plan
Curated OER

Bisectors of Triangles

For Teachers 10th
In this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency.  The one page worksheet contains sixteen questions.  Answers are included. 
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Lesson Plan
Curated OER

Mars Pathfinder Egg Drop and Landing

For Teachers 7th - 12th
Students construct a pathfinder that could land an egg safely. In this physics lesson, students explain the factors affecting the dynamics of falling objects. They evaluate their pathfinder design.
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Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...

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