Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2009 - Triangles and the Pythagorean Theorem

For Teachers 7th
Seventh graders find the perimeter and area of triangles.  In this finding the perimeter and area of triangles lesson, 7th graders find the perimeter and area of triangles given two sides.  Students find the missing side by...
Lesson Plan
Curated OER

Geometry: Tessellations

For Teachers 2nd - 3rd
Students create tessellations with computer software while applying their knowledge of reflections, rotations, and translations.
Worksheet
Curated OER

Quiz: Area of a Circle

For Students 7th - Higher Ed
Geometers test their mastery at finding the area of a circle with 10 basic problems. Circle diagrams show line segments, points, and diameter. Distance of radii are given. They use pi as 3.14 to calculate the area. No answer key is...
Worksheet
Curated OER

Many Colored Maps

For Students 6th
In this map worksheet, 6th graders identify and complete 10 different problems that include various dimensional maps. First, they complete the table on the right by coloring the maps found on the bottom. Then, students determine the...
Interactive
CK-12 Foundation

Tangent Graphs: Slope and Angle

For Students 10th - 12th Standards
Learning about tangents doesn't have to be a slippery slope. Pupils drag a point around a unit circle to see how angle affects the slope of a line. They individually answer a set of challenge questions to come to the conclusion that...
Lesson Plan
Curated OER

Geometry of The World War II Memorial

For Teachers 6th - 9th
Students develop an appreciation of the use of geometry in our everyday world and structures. Students collect various picures and multimedia objcets that explain geometric principles and place them in a powerpoint presentation to be...
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.
Lesson Plan
Curated OER

Line and Shape Game

For Teachers 9th - 12th
Learners create a picture of an actual scene or overlap the called out lines or shapes into a space-breaker. If someone calls out a line or shape a student had not planned to use in the art, they have to figure out some way to use it...
Lesson Plan
Curated OER

Graphing Coordinates

For Teachers 6th
Sixth graders practice graphing coordinates. In this geometry instructional activity, they use the x and y axis to locate points that must be connected in the right sequence to form a straight line.
Worksheet
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Verifying Segment Relationships

For Students 10th
In this verifying segment relationships worksheet, 10th graders solve two proofs by following the same format used in algebra. They complete each of two proofs by naming the property that justifies each statement given. Students also...
Worksheet
Curated OER

Geometry: Angles

For Students 11th - 12th
In this angle worksheet, students find the value for a given variable. They use similar figures, alternate interior angles, side angle side, and other geometric theorems and proofs to determine the value of the given variable. This...
Worksheet
Curated OER

Shape Matching Worksheet - Black and White

For Students K - 1st
In this geometry worksheet, students draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a triangle, an oval, a rectangle, and a hexagon.
Worksheet
Curated OER

Reflection in a Point

For Students 10th
In this reflection of point activity, 10th graders solve 10 different problems related to various points reflection. First, they determine the image at the point given under a point of reflection. Then, students determine if an image...
Worksheet
Curated OER

Quiz: Transformations: Point Symmetry

For Students 6th - 8th
In this transformation worksheet, students identify the point symmetry in each given drawing. This one-page worksheet contains ten problems.
Worksheet
Curated OER

Congruent Triangles

For Students 10th
In this congruent triangles worksheet, 10th graders solve and complete 10 different problems that include various forms of triangles. First, they name the method for proving each set of triangles congruent using the given information....
Worksheet
Curated OER

Transversals

For Students 7th - 8th
In this transversal learning exercise, students identify the transversal in given diagrams. This one-page learning exercise contains ten identification problems.
Worksheet
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Net (Triangular Prism)

For Students 4th - 6th
In this net instructional activity, students use the pattern to create a triangular prism. Students cut out the pattern and fold on the dotted lines and paste it to make the solid figure.
Lesson Plan
Curated OER

Medians and Altitudes of Triangles

For Teachers 10th
In this geometry worksheet, 10th graders determine if a given segment is a median or altitude of a triangle and use then find the indicated missing length or equation of a line.  The two page worksheet contains twenty...
Worksheet
Curated OER

Geometry Tracing and Matching Worksheet - Squares

For Students 2nd
In this geometry worksheet, 2nd graders trace the squares on the left and draw a line to connect the ones that are the same size on the right.
Worksheet
Curated OER

Distance on a coordinate plane

For Students 10th
In this geometry worksheet, 10th graders solve problems in which they find the distance between two points on a coordinate plane.  The two page worksheet contains a combination of eleven multiple choice and free response...
Worksheet
Curated OER

Perpendicular Bisector

For Students 10th - 12th
In this perpendicular bisector worksheet, students fold paper, according to instructions, to discover the perpendicular bisector of a segment.  They explore the distances from the bisector to the endpoints of a specified...
Lesson Plan
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Area and Perimeter of Polygons

For Teachers 10th
In this geometry worksheet, 10th graders calculate the perimeter and area using the specific formula for that polygon. There are 5 questions with an answer key.
Lesson Plan
Curated OER

Perpendicular and Angle Bisectors

For Teachers 10th
In this geometry worksheet, 10th graders solve problems that are based on the theorems associated with perpendicular and angle bisectors of a triangle.  An application on the coordinate plane is included.  The one page...
Worksheet
Curated OER

Geometric Probability

For Students 10th
In this geometry learning exercise, 10th graders determine the probability of an event occurring based on the geometric sketch.  The one page learning exercise contains fourteen problems.  Answers are included. 

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