Curated OER
Are We Sure They Are Parallel?
Fourth graders explore the definition and properties of parallel lines. This high level lesson plan has students calculate the slope of the two parallel lines, and draw the lines on a Caretsian coordinate system.
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Science 911: Car Crash Testing
Students explore, experiment and analyze the concept of using dummies in a car crash test. They collaborate in a series of tests designed to simulate what really happens in a two-car collision. Each student incorporates probability,...
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Trapezoids
In this trapezoids worksheet, 10th graders solve 5 different problems related to trapezoids and applying the appropriate theorem. First, they define a trapezoid, including its bases, legs, and base angles. Then, students use the...
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Concurrent Lines in Triangles
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
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A Perpendicular Pilgrimage
Ninth graders design a safe passage through a 2-D obstacle. In this geometric math instructional activity, 9th graders engage in a hands on activity to better understand the concept of geometric and algebraic perpendicularity. Students...
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Quadratic and Linear Functions
In this Algebra II worksheet, 11th graders review and apply the basic concepts for solving linear and quadratic equation. The one page worksheet contains twelve problems. Solutions are not provided.
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Constructing Perpendiculars
Learners construct perpendicular lines. For this geometry lesson, students use a compass and straight edge to do construction. They start from a point to a line.
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Geometry, Word Search Puzzle
In this math worksheet, students look for the words that are related to the math words used in the practice of geometry. They also practice spelling.
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6th Grade Geometry
Sixth graders identify and analyze characteristics and properties of geometric terms using a digital camera, computer and photo presentation format to create a photo album.
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Determining the Uniqueness of a Circle
Students use this instructional activity to determine how circles are different from other shapes. In groups, they determine the accuracy of three theorems based on the uniqueness of circles. They use a software program to hypothesize...