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Worksheet
Curated OER

Pairs of Lines

For Students 9th - 10th
In this geometry worksheet, students differentiate between perpendicular and parallel planes and lines. They identify segments that are parallel and perpendicular to sides. There are  22 questions.
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Interactive
Curated OER

Angles and Parallel Lines Quiz

For Students 9th - 10th
In this geometry worksheet, students identify missing angles and sides. They identify angles formed by parallel lines cut by a transversal. There are 7 questions with an answer key.
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Interactive
Curated OER

Using Proportions Self Check Quiz

For Students 9th - 10th
In this geometry worksheet, students identify the different ratios of triangles using the theorems. They use SSS, SAS, ASA and AAS to differentiate between triangles. There are 7 questions with an answer key.
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Interactive
Curated OER

Similar Triangles Multiple Choice

For Students 8th - 10th
In this triangle relationships worksheet, students identify measurements in similar and congruent triangles. Each problem features a drawing of two or more triangles. Students identify missing measurements. There are 5 multiple choice...
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Interactive
Curated OER

Quadrilaterals Multiple Choice

For Students 9th - 10th
For this geometry worksheet, students identify the properties of quadrilaterals. they find the length of th sides and angles of quadrilaterals. There are 5 questions with an answer key.
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Lesson Plan
Curated OER

Steps to Responsibility

For Teachers 6th
Sixth graders explore the steps in decision making and responsibility. In this lesson, 6th graders analyze a scenario and decide what actions should be taken. Students write in their journals.
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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

Linear Equations and Matrices

For Teachers 10th - 11th
Young scholars solve systems of equations. In this precalculus lesson,students solve linear equations using matrices. They use the Gaussian elimination method to identify the missing variables and simplify the linear equations.
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Worksheet
Curated OER

Polynomial Functions

For Students 11th
For this Algebra II worksheet, 11th graders use a graphing calculator to determine the regression equation of the given data, graph polynomial functions, factor polynomials, and determine the quotient and remainder in polynomial...
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Lesson Plan
Curated OER

Investigation: Sorting and Classifying

For Teachers 5th
Fifth graders explore geometry by creating shapes with construction paper. In this shape characteristics lesson, 5th graders identify the different attributes that make up specific shapes and create them using construction paper, rulers,...
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Lesson Plan
Curated OER

Introduction to Locus

For Teachers 9th - 11th
Students define the five rules of loci. In this geometry lesson, students identify the locus of points that creates a circle. They calculate the distance from a fixed line and point.
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Lesson Plan
Curated OER

Light Bounce

For Teachers 9th - 11th
Learners solve problems involving triangles. In this geometry instructional activity, students apply properties of triangles to find the missing angles and sides. They identify angles of parallel lines cut by a transversal.
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Lesson Plan
Curated OER

Diagonals of Quadrilaterals

For Teachers 9th - 10th
Students find the diagonals of the quadrilaterals. In this geometry lesson, students identify and use properties of quadrilaterals. They define different parts of a quadrilateral shape.
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Lesson Plan
Curated OER

Diagonals to Quadrilaterals II

For Teachers 8th - 10th
Pupils identify the properties of different polygons. In this geometry lesson, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
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Lesson Plan
Curated OER

Trains in Motion

For Teachers 8th - 10th Standards
Students compare two object as they find the distance between them. In this geometry lesson, students create an equation describing the distance of time as a function. They use the navigator to observe the distance.
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Lesson Plan
Curated OER

Tangents to a Circle

For Teachers 9th - 10th
Young scholars construct tangent lines. In this geometry lesson plan, students identify the point of tangency, secant and tangent lines. They graph the lines on the Ti and make observations.
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Lesson Plan
Curated OER

Crossing the Asymptote

For Teachers 9th - 11th
Students investigate graphs and their asymptotes. In this precalculus lesson, students examine the numerator and denominator of their rational functions. This helps them identify where and when the graph will cross its asymptote.
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Lesson Plan
Curated OER

Faces, Vertices, Edges

For Teachers 9th - 10th
Students identify the parts of three dimensional objects. In this geometry instructional activity, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
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Lesson Plan
Curated OER

Pythagorean Circles

For Teachers 9th - 10th
Students solve problems using smaller steps. In this geometry lesson plan, students find the diagonals of rectangles and the area of the annulus between two circles. They are given the starting point and the radius.
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Lesson Plan
Curated OER

Constructing Triangles

For Teachers 9th - 10th
Students construct triangles. In this geometry lesson, students create equilateral triangles. They also construct triangles where the sides are different. They use the lab to create and move shapes around with the Cabri program.
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Lesson Plan
Curated OER

Incenter of a Triangle

For Teachers 10th
Tenth graders find the incenter of a triangle. For this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.
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Lesson Plan
Curated OER

Circumscribed Polygons

For Teachers 9th - 10th
Students investigate polygons and construct ferris wheels. In this geometry lesson plan, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and circumscribed polygons.
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Lesson Plan
Curated OER

Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Learners identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
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Worksheet
Curated OER

The Adverb Clause

For Students 9th
In this adverb activity, 9th graders study adverb clauses.  Students read 20 sentences to identify and circle the adverb clause in each.

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