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Introduction to Fractals: Infinity, Self-Similarity and Recursion
Young scholars think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is...
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Congruent Triangles Postulates
Students discover three lettered postulates that prove triangles congruent.
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Perimeter
Young scholars examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Young scholars develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
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Teaching the Kono Salmon Kite
Students complete several student readings involving kite making and kite flying. They analyze how the parts of a system go together and how these parts depend on each other. They comprehend how different environments both provide...
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Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
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Fractals
Pupils explore the concept of fractals. In this fractal lesson plan, students use applets to explore Koch's Snowflake, Sierpinski's Triangle, and other fractals. Pupils develop these concepts through exploration and teacher guided...
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The Laws of Sines and Cosines Made Simple!
Students explore the concept of law of sines and cosines. In this law of sines and cosines lesson, students construct a triangle tool from card stock and markers. Students use their triangle tool to aid in solving problems involving...
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Folding to Make Shapes
Second graders identify different polygons and their attributes. In this geometry instructional activity, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and...
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Exploring Arrangements of 2, 3, 4, and 5 Cubes
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
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Navy Sail Design
Learners use the Pythagorean Theorem to explore sailboat design. In this Pythagorean Theorem lesson, two sides of a triangular sail are measured, and the theorem is used to calculate the third side. A worksheet, bulletin board design,...
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Constructing Midsegments of Triangles
Learners construct midsegments. In this geometry lesson plan, students make conjectures and apply properties of triangles to solve problems. They complete an activity on the computer.
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Make a Box
Students use specific dimensions to create a box. In this geometry lesson plan, students analyze the different properties of two and three dimensional shapes. They make conjectures and use it to solve problems.
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Triangles in Architecture
Learners find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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Identifying Lines of Symmetry
Students calculate the lines of symmetry using polygons. In this geometry instructional activity, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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Mathematics in Robotics
Students build and create using math. For this geometry lesson, students differentiate between congruent and similarity as they observe polygons. They create robots with different functions using properties of geometry.
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Get the Turtle to the Pond
Young scholars solve problems. In this math activity, students write solutions using LOGO commands in order to help get the turtle to the pond.
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Space and Shape in Geometry:
Young scholars are asked to visualize three-dimensional figures and apply this visualization to problem solving.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Geometry Geopardy
Third graders participate in a game in order to review geometric concepts.
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Saving Money Through Mathematics
Third graders discuss light sources and collect data about energy sources. They compare data and create a multiple line graph showing energy used by light sources for each student in the group. They present their graphs and write a...
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Design a Running Shoe for a Triathlete
Students examine the design and construction of athletic footwear. They analyze the magnitude and directions of forces on the foot and leg in different sports, interview people, and design a running shoe for a triathlete.
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Overcoming Pressures
Students view a video that presents the musical career of vocalist Josh Groban and pay special attention to his performance anxiety and how he has dealt with these fears. They identify ways in which they can combat other types of anxiety.
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Christmas Presents
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...