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Magician Squares
Elementary school learners investigate the attributes of a square. They discover that squares are polygons and examine squares found in everyday life. They concentrate on connecting the word, square, with the shape. As an...
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Geometry: Plane Figures
In this plane figure worksheet, students complete 4 multiple choice questions, determining which solid figure can be traced to make a given plane figure. A reference web site is given for additional activities.
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Nets of 3-Dimensional Figures
In this nets of 3 dimensional figures worksheet, students determine which given figures will make given nets, then name a set of 4 shapes.
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How are Area and Perimeter of Rectangles Related?
In this how are area and perimeter of rectangles related worksheet, 6th graders solve the area or perimeter of a second rectangle by using the information given.
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To The Right or Left?
In this right or left worksheet, students study a graph with colored shapes on it, then choose either right or left to tell where each shape is located.
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Line, Line Segments and Rays
In this geometry activity, students identify items as either lines, line segments or rays by checking the appropriate box beneath each figure.
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Nets of 3-Dimensional Figures #2
In this nets of figures worksheet, students determine which given shapes will make a shown net, then name the shapes uses. A reference web site is given for additional activities.
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Relationship Between Area and Perimeter
In this area and perimeter instructional activity, students find the perimeter of 1 of a pair of rectangles with the same area. A reference web site is given for additional activities.
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Translations, Reflections, and Rotations
Tenth graders have been introduced to the concepts of translation, reflection, and rotation, and have practiced translating, reflecting, and rotating two-dimensional objects on the coordinate plane.
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Chinese Puzzle Story
Students study the Chinese form of tangrams. They read the story, "Grandfather Tang's Story," by Ann Tompert and discuss how tangrams are used to tell the story. Using paper and scissors, they create animal tangrams and write stories...
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Product of Chord Segments
Students creating chords intersection using circles. For this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
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Around the World With Geometry
Learners identify shapes, create shapes, and make a pyramid, a drum, and a sail using their shapes. In this shapes lesson plan, students also identify plane and space shapes.
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Circle, Secants
Students identify the secant segment of a circle. In this geometry lesson plan, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
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Exploring Secants: Products of Segments
Students explore secants and circles. In this geometry instructional activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
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Geometry and Shapes
Fourth graders are asked to name different shapes.Four to five students to share their answers with the class. The teacher leads the discussion in geometry about the properties associated with shapes.
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Fractals and the Chaos Game
Students explore the concept of fractals. In this fractals lesson, students play the "Chaos Game" via an applet. Students place dots on the screen to recognize that they have created Sierpinski's Triangle.
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Snuggle Up To Pattern Blocks
Students view and discuss a video about the use of pattern block shapes to form pictures. They, in groups, form garden and quilt designs using pattern blocks and then decorate the room with their art.
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Translating Transformations in Geometry
Students create an image using given coordinates and evaluate how the coordinates change when a slide or rotation takes place.
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The Mandelbrot Set
Students explore the concept of Mandelbrot sets and Julia sets. In this Mandelbrot and Julia set lesson, students use a function integrator applet to investigate two-variable function iterations. Students use Julia set and Mandelbrot set...
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Compass Designs
Students investigate the properties of two and three dimensional objects. In this geometry lesson, students differentiate polygons based on similarity and congruence. They make observation and interpret the data.
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Median of a Trapezoid
Students find the median of trapezoids and other polygons. For this geometry lesson, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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Patchwork Math
Students recognize and identify shapes in their environment. They investigate why objects can be composed of several different shapes. They follow a pattern to recreate designs using various shapes.
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My Building, My Community
Students become familiar with the concepts of community and neighborhood and what buildings are associated with these. In this neighborhood lesson, students tour the neighborhood as a class, observing and taking photos of the local...