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Worksheet
Curated OER

Line, Planes and Points

For Students 10th
In this geometry worksheet, 10th graders create visuals to help them understand the position of a point, line and plane in space or on a coordinate plane. There are 3 questions.
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Worksheet
Curated OER

Make the Shape into a Solid

For Students 9th - 11th
In this geometry worksheet, students rewrite word problems using symbols and formulas. They calculate the volume of the different solids. There are 8 questions.
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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...
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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...
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Worksheet
Curated OER

The Triangle Midsegment Theorem

For Students 10th
In this geometry worksheet, 10th graders identify the vocabulary associated with the Triangle Midsegment Theorem and solve problems in which they find the size of a missing angle or segment.  The one page worksheet contains nineteen...
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Lesson Plan
Curated OER

Indirect Proof and Inequalities in One Triangle

For Teachers 10th
In this geometry worksheet, 10th graders order the sides and angles of a triangle and determine the range of the third side of a triangle given the lengths of two sides.  The one page worksheet contains sixteen questions. ...
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Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 10th
In this geometry worksheet, 10th graders apply the Pythagorean Theorem as they determine the length of the missing leg or hypotenuse in right triangles.  The one page worksheet contains twelve questions.  Answers are...
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Lesson Plan
Curated OER

Special Segments in a Triangle

For Teachers 10th
In this geometry worksheet, 10th graders review the vocabulary associated with the special segments of a triangle and the associated points of concurrency and solve problems in which they find the indicated missing angle or...
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Lesson Plan
Curated OER

Effects of Changing Dimensions Proportionally

For Teachers 10th
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are...
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Worksheet
Curated OER

Geometric Probability

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

Geometric Probability

For Students 10th
In this geometry worksheet, 10th graders determine the probability of an event occurring based on the geometric sketch.  The one page worksheet contains sixteen problems.  Answers are included. 
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Worksheet
Curated OER

Congruent Figures

For Students 3rd - 4th
In this geometry activity, students select the shape that is congruent to the one given. There are four multiple choice questions for students to complete.
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Lesson Plan
Curated OER

Electronic Geometry Notebook

For Teachers 7th - 8th
Students examine the relationship between two and three dimensional shapes. They use their drawings to solve problems. They create a notebook of the formulas and how they relate to the real world.
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Lesson Plan
Curated OER

Geometry Gymnastics

For Teachers 1st - 2nd
Students identify shapes and manipulate 2 and 3 dimensional objects. They view objects from different perspectives and review relative positions (near, far, between). They sing a shape song.
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Lesson Plan
Curated OER

Geometry and Measurement

For Teachers 6th - 8th
Middle schoolers view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Middle schoolers use pegboards and...
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Lesson Plan
Curated OER

Geometry Slideshow

For Teachers 6th
Sixth graders create slideshows of geometric terms. They use images taken with digital cameras or scanned from magazines.
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Lesson Plan
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Marshmellow Geometry

For Teachers 5th - 10th
Students explore a variety of geometric shapes, name them, and list their characteristics. The shapes are transposed into structures and checked for accuracy.
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Lesson Plan
Curated OER

Translating Transformations in Geometry

For Teachers 9th - 12th
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
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Lesson Plan
Curated OER

Quilt Geometry

For Teachers 7th
Seventh graders explore lines of symmetry, congruent polygons and patterns. They listen to "The Seasons Sewn," observe a PowerPoint presentation, and identify congruent polygons and visual patterns. Through an internet activity, 7th...
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Lesson Plan
Curated OER

Geometry of Radio Meteor Reflections

For Teachers 9th
Ninth graders investigate and describe ways that human understanding of Earth and space has depended on technological development. They describe and interpret the science of optical and radio telescopes, space probes and remote sensing...
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Lesson Plan
Curated OER

Geometry Problem Set I

For Teachers 10th - 11th
Students prove angles congruent by use of vertical angles definition, subtraction postulate, and transitivity postulate.
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Lesson Plan
Curated OER

Relationships in Geometry

For Teachers 3rd - 5th
Students show the correlation between quadrilaterals, parallelograms, rectangles and squares.
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Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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Lesson Plan
Curated OER

Using Coordinate Geometry by Land, Sea and Outer Space.

For Teachers 6th - 8th
Pupils complete a table of values and plot points, as well as construct a graph on a coordinate grid. They construct two graphs on the same coordinate system, and identify the point of intersection. Students represent and record patterns...

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