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Lesson Plan
Curated OER

Trig is SOH Easy!

For Teachers 7th - 10th
Students derive the six trigonometric identities. In this trigonometry lesson, students review the parts of a right triangle and use the Pythagorean theorem as a guide to find the trig identities. They find sine, cosine and tangent ratios.
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Lesson Plan
Curated OER

Solving Right Triangles

For Teachers 10th - 11th
Students investigate the basic trigonometric functions.  In this geometry/trigonometry lesson, students explore strategies to solve right triangles using basic trigonometric functions.  The lesson includes an application problem in which...
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Worksheet
Curated OER

Three Tangent Circles

For Students 9th - 12th
In this tangent circles worksheet, students use pi to solve a problem involving tangent circles.  This one-page worksheet contains 1 problem.  The answer is provided at the bottom of the page.
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Interactive
Curated OER

SAT Grid Ins Practice Test 04

For Students 10th - 11th
In this SAT Practice Test, students solve a variety of problems that range from solving for a variable, rate, probability, and area.
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Interactive
Curated OER

Quadrilateral Properties

For Students 9th - 12th
In this online math worksheet, high schoolers answer "true" or "false" to a variety of statements regarding the properties of quadrilaterals. This excellent resource allows the students to check their answers, and to get "hints" should...
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Worksheet
Curated OER

Conditional Statements

For Students 9th - 10th
In this geometry worksheet, students read given sentences identifying the hypothesis, and conclusion. They rewrite sentences usign the if-then form. There are 14 questions.
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Lesson Plan
Curated OER

Dilation

For Teachers 10th
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
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Worksheet
Curated OER

Polygons and Sketching

For Students 8th - 10th
In this geometry worksheet, students define and draw quadrilaterals. They differentiate between the different shapes. There are 3 questions with an answer key.

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