Curated OER
Special Segments of Triangles Jigsaw Activity
Students identify the special segments of triangles, the median, angle bisector, altitude, and perpendicular bisectors.
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Show Me the Way To Go Home
Students place a pencil perpendicular to the ground and trace its shadow between 11:30 AM and 12:30 PM. They measure the length of the shadow, periodically over several hours, in either English or Metric units. Using the data, they find...
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Mapping a Site Using a Coordinate Plane
Learners map their playground as if it were an archeological site. They locate objects on the playground and determine their location using coordinate points. A related lesson plan is Coordinate Grid: Mapping an Archeological Site.
Mathed Up!
Transformation of Graphs
In what ways can you transform a graph? An engaging video answers this question as it covers reflections, translations, and stretches of graphs. To test their knowledge, individuals complete a set of problems to apply this knowledge.
Mathed Up!
Recurring Decimals
Explore how to convert repeating decimals to fractions with an informative video that teaches young mathematicians how to translate between decimals and fractions. After viewing, individuals complete a set of problems to practice...
Mathed Up!
Histograms
Class members explore how to read and use histograms by watching a video on creating and analyzing histograms. To finish, the class works on a set of questions that tests these skills.
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Monochromatic Painting
Learners experiment and create an original monochromatic painting. They define tint, monochromatic, and shade. They analyze their paintings objectively and determine the connection between color and emotion.
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Relating Algebra to Geometry
Learners investigate the connection that exists between Algebra and Geometry. They classify two and three-dimensional figures. Pupils use formulas to solve problems in geometry and use appropriate measuring devices in the right contexts.
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Public Land
Students examine the needs of their community for public space and determine the solutions to math problems related to planning landscape designs. They read and discuss an article from the New York Times, create their own designs for a...
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Constructing Perpendicular Bisectors
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry lesson, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
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Complex Color Wheels
Students design a color wheel which incorporates 12 colors, tints and shades of each color, black and white within a circle.
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Math: a World of Symmetry
Students expand their knowledge of quadrilaterals and identify basic symmetrical forms. Over three weeks, they explore the math, application, and discussion of symmetry. After conducting Internet research, students create symmetrical...
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Travel Triangles
Young scholars demonstrate and understanding of the three types of angles using triangles and quadrilaterals. In this angles lesson plan, students learn about acute, obtuse and right angles. They use cut-outs to find the areas of...
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Water Pollution Lesson Plan: All Messed Up
Students map and calculate the area of the school parking lot and then the volume of water falling on the school parking lot. They map the route surface runoff will take to the nearest water body and describe the roles that human...
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Properties of the Ocean: Change
Students research and create a visual presentation on the seasonal salinity of the Earth's oceans. They apply the research in a simulation of a lab disaster in which they must relabel ocean samples.
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Fit With Fiber
Sixth graders investigate the nutritional value of different types of cereal. They take a survey of students that ate breakfast and create a circle graph with the results. Students examine the nutritional information on the sides of the...
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Constructing Triangles
In this constructing triangles online worksheet, learners construct thirteen triangles on paper first and then type in their answers on line. Students can check their answers as they go and the computer calculates the overall score for...
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The Solar System
High schoolers construct a sketch of the planets in our solar system using concentric circles and angles. In this solar system lesson plan, students plot the position of each planet on concentric circles using graph paper. The sun is...
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Seeing Solar Storms in STEREO-I
In this geometric calculations of solar storms learning exercise, students use a diagram indicating the location of 2 STEREO satellites, the earth and the sun to calculate the distance between a Coronal Mass Ejection and the Earth. They...
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Seeing Solar Storms in STEREO-II
In this solar storms worksheet, students use a diagram given the location of two STEREO spacecraft satellites, a coronal mass ejection, the sun and the Earth to solve 2 problems about the coronal mass ejection. Students use segments,...
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Triangle Conjectures
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
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Let the Sun Shine In: Energy Conservation
Students create a project applying their math skills as they discuss energy conservation. For this geometry lesson, students define vocabulary relating to the environment and energy conservation. They construct a building that allow lots...
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Energy Efficient Homes
Students observe and gather data from a model simulated home. For this efficiency lesson students examine the factors that influence energy efficiency, complete a lab activity then draw conclusions from their data.