Curated OER
Linear Piecewise Functions
Students explore the concept of piecewise functions. In this piecewise functions lesson, students graph piecewise functions by hand and find the domain and range. Students make tables of values given a piecewise function. Students write...
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Functions and the Vertical Line Test
Learners examine functions and function notation. They use computer activities to discover how to graph functions, and conduct a vertical line test. Students describe spatial relationships using coordinate geometry.
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Exploring the Night Sky: Summer
Young scholars explain how moon phases occur. They describe and explain at least two common misconceptions that people have about the moon. Students explain what a star is. They explain 3 ways that the night sky has been used throughout...
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"Let's Go!"
Students explore each mode of transportation: Land, Air, Sea and Space and which one you use for which purpose?
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Introduction to Fractals: Geometric Fractals
Middle schoolers study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Middle schoolers complete worksheets based on...
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Woody Sine
Young scholars explore the concept of sine. In this sine lesson, students create a sine graph from tooth picks. Young scholars create a unit circle with tooth pick length radius. Students then take the tooth picks from the unit circle...
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Soldering
In this soldering instructional activity, students answer 13 questions related to soldering, soldering irons, soldering guns and the proper process for soldering metals together.
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Symmetry
Students explore symmetry. In this geometry lesson plan, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry...
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Structural Comparisons
Students study structural elements of a picture's composition. They scan images and compare the structural elements of the images.
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Let's Explore the World of Triangles and Quadrilaterals!
Second graders explore the features of triangles and quadrilaterals. In this instructional activity on triangles and quadrilaterals, 2nd graders rotate with their group to five different activities all exploring a different aspect of...
Creative Educator
Tessellation Sensation
Geometers investigate patterns and symmetry, and examine the artwork of M.C. Escher on the Internet. They compare his style to the floor and ceiling tiles in the classroom. If you have ImageBlender™ software, you could have your class...
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Ecology - Biodiversity Lab
Studnents examine the degree of biodiversity that exists in one's everyday environment, in order to develop an understanding of how scientists classify organisms and to explain why biodiversity is important for living things.
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NON-EUCLIDEAN GEOMETRY.
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and the...
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Geo Jammin' By DeSign - Day 1, Lesson 1: Math in Motion
Second graders, through large screen monitor, study geometric design. They participate in a diagnostic assessment in which they use pnecils, scissors and paste.
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Area of Complex Figures
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...
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What's Your Design?
Sixth grade learners: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
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Wimshurst Machine
Students examine what a Wimshurst machine is and how it operates. In this mechanics lesson students build a Wimshurst machine and watch it in action.
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Measuring Supporting Structures
Students calculate the volume of the Pantheon's columns and estimate changes in weight given different parameters.
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Hyperbolas
In this algebra learning exercise, students identify the graphs of hyperbolas. They find the center and directrix. There are 10 questions.
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Investigating Pythagorean Triples
Students investigate and solve Pythagorean triples. For this geometry lesson, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
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Investigating the Pythagorean Triples
Students investigate the Pythagorean triples. In this geometry lesson, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Chloroplasts
Students study chloroplasts, their structure and evolution. In this photosynthesis lesson students experiment with polarized light and the production of chlorophyll.
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Plain Figures And Measuring Figures
Seventh graders investigate the mathematical concept of a sector. They apply the concept to an example problem and then move into a more complex application. They find the area of the side of a cone. This is done as students calculate...
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Copycats
Third graders describe the features of 2 and 3 dimensional objects and use the language of geometry. They design and make a pattern which involves translation, reflection or rotation.