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Geometry Definitions
In this geometry worksheet, learners match the geometry term with its definition. Students match 12 geometry terms with their definitions.
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Triangles
In this triangles worksheet, students solve for the missing angles and missing sides on the triangles given. Students complete 12 problems total.
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Geometry
For this line and angles worksheet, learners explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find volume and surface area of...
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Measuring Body Angles
Learners use technology to graph and compare angles. In this geometry lesson, students range of motion in the environment. They identify the missing parts of polygons using similarity and congruence.
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More on Tessellations
In this tessellations worksheet, 10th graders solve 3 different word problems that include creating various tessellations. First, they group pentagons around a vertex so the angles add up to 360 and determine whether the pentagons can...
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Geometry Worksheet #13
In this geometry instructional activity #13 instructional activity, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.
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Similar Right Triangles-Introductions to Trigonometry
For this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle....
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Isosceles Triangles
Students identify the properties of an isosceles triangle. For this geometry lesson, students find the midpoint, median and angle bisector of a triangle. They construct angle bisectors and measure missing angles.
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Pythagorean Theorem
Pupils find the different ratios of a triangle. In this geometry lesson, students use the Pythagorean Theorem to solve for missing sides and angles on a right triangle. They use a robot to create a right triangle.
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Trig is SOH Easy!
Students derive the six trigonometric identities. In this trigonometry lesson plan, 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...
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Lesson Exchange: Polygons (Middle, Mathematics)
Students discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
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Arithmetic Artistry
Students create a classroom quilt that illustrates the many unique ways that students use math skills.
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Rotational Symmetry
In this rotational symmetry learning exercise, 5th graders determine if the two figures have rotational symmetry. This learning exercise explains and provides examples of rotational symmetry.
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Reflection Experiments
Seventh graders investigate with light rays. In this light instructional activity, 7th graders determine the angle of reflection using simple materials. They continue the investigation by exploring the theory that light which is not...
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Duplicating Segments and Angles
Tenth graders investigate geometric construction. In this geometry lesson, 10th graders explore the procedure for copying an angle and a segment. The lesson emphasizes the difference between a sketch, a drawing, and a construction and...
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Making Shapes
Tenth graders construct geometric figures using compasses and protractors.
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Drawing a Triangle with Cabri Junior
Learners draw triangles on their graphing calculators using the Cabri Junior application. In this graphing calculator lesson, students follow step by step directions to create triangles on their calculator. They identify the type of...
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Types of Triangles
Fifth graders explore the required functions of the Geometer's Sketchpad. Using the computer software, they construct similar triangles and identify them by angles and sides. Students classify triangles. Afterward, they complete problems...
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Algebra/Geometry Institute: Area of Polygons
Students find the area of polygons. In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons. They identify each given figure and determine the appropriate formula needed to...
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SAS Similarity Theorem
Learners identify and use the similarity theorem. In this geometry lesson, students differentiate between congruent and similar triangles. They solve problems using the computer modifying shapes by dragging.
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Pythagorean Theorem
Students explore how the Pythagorean Theorem works and how to apply it.
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Pythagorean Theorem
Learners are introduced to the Pythagorean theorem. They use three different activities that give students the opportuntiy to observe triangles, and use the Pythagorean theorem and practice different ways of determining areas of...
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Geometers Sketchpad Practice
Young scholars create polygons using geometers sketchpad. For this geometry lesson, students construct the interior angles of polygons and label the different points. They estimate and measure the different parts as they draw conclusion.
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Classifying and Constructing Corners
Fifth graders, after seeing Honeycomb examples, complete a Classifying Angles worksheet, Clock worksheet, and Defining Angles worksheet.
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