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Worksheet
Curated OER

State Facts A Right Angle Puzzle

For Students 9th - 10th
In this geometry instructional activity, students create words making a right angles each time. There are 50 questions to be solved with an answer key.
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Lesson Plan
Curated OER

Angle-Side Relationships

For Teachers 9th - 12th
Students calculate the different sides and angles of a triangle. For this geometry lesson, students use triangular properties to define the relationship between two triangle. They identify missing angles using the interior angle theorem.
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Lesson Plan
Curated OER

Triangles & Congruence, Proportions & Similarity, Right Triangle & Trigonometry

For Teachers 9th - 12th
Students are introduced to the topic of congruence and proportions in Geometry. Using technology, they construct and validate the properties of various geometric figures and identify whether it is congruent or proportion to the objects...
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Interactive
Curated OER

SAT Practice Test

For Students 9th - 12th
In this secondary mathematics learning exercise, students assess their readiness for the SAT test.  The one page, interactive learning exercise contains ten problems.  Solutions are not provided. 

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