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The Right Angle
In this geometry learning exercise, 10th graders determine the answer to a vocabulary questions and then follow the give rules to place the answer in the appropriate place on the crossword grid. The one page learning exercise contains...
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Diagonals of Quadrilaterals
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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Diagonals to Quadrilaterals II
Students identify the properties of different polygons. In this geometry lesson plan, 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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Angle-Side Relationships
Students investigate triangles and their angle-side relationship. In this geometry lesson, students identify the property of the triangles and use it to solve the problem correctly. They use the TI to graph their triangles.
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Conic Sections and Locii
Students differentiate between ellipse and hyperbola. In this algebra instructional activity, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
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Exploring Geometric Mean
Students solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean
Student identify the solution using geometric mean. For this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Number Recognition Games
Pupils explore number sense by participating in a math recognition activity. In this number identification instructional activity, students practice pronouncing names of numbers and matching the number with an amount of objects. Pupils...
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Shape Recognition Games
Students explore shapes. In this math lesson, students identify basic geometric shapes. Students complete activities in which they identify shapes, symbols and letters. Students draw geometric shapes.
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Reflection
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
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Shapes Are Everywhere
Third graders explore pattern blocks noticing their similarities and differences and share their observations with others. They classify shapes by discussing sides and angles and combine pieces to make new shapes.
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Reflection
Eighth graders use a stencil to make a figure with which they discover the horizontal line of reflection, the vertical line of reflection, and the diagaonal line of reflection using coordinates.
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Mapping The Iditarod
Fourth graders watch a video about mapping distances and then calculate the distance their individual mushers travel each day. This occurs each Monday through Friday until each musher has crossed the finish line in Nome Alaska.
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Geo Jammin' By DeSign - Day 1, Lesson 2: Dancing Duo
Second graders and teachers identify geometric vocabulary word by searching a geometry website. They create a Quilt Word Wall using the geometry words.
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Seeing Double
Students develop an intuitive definition for symmetry after viewing a PBS video. They examine asymmetrical patterns and demonstrate their knowledge by changing them to symmytrical.
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Geodesic Dome
Students build geodesic domes using newspaper after watching a video about the architectural concepts used in building domes. They decide which geometric shapes can be used to build the strongest building.
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Polyhedra
Seventh graders explore the characteristics of three-dimensional figures. They compare the nets of figures. Students describe the relationship between the nets draw and the solid. They identify the vertices, edges and faces of the...
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Patterns
Sixth graders investigate the concept of patterns and how they can occur with numbers and the lesson plan focuses on the occurrance wiht shapes. They complete an activity investigating patterns using a story to set the tone of fun.
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Using Coordinate Geometry by Land, Sea and Outer Space.
Students 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...
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Constructions of Isosceles and Equilateral Triangles
Pupils explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has to...
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Introducing Angles
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
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Coral Reefs: Gardens Under the Sea
Students discover the wonders of coral reefs while listening to a book about them. In a Reading Rainbow video activity, they simulate a dive, check equipment and explore a reef. Role-playing as marine biologists, students uncover...
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Worksheet 22-Fall 1995
In this math activity, students examine the graph of the derivative. Then they determine the critical points that correspond to the relative extrema.
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Geometry of Circles: Week 7
In this circle worksheet, students determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
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