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NUMB3RS Activity: Regular Ploygon Centroids
Students investigate geo-profiling. In this secondary mathematics lesson, students use geo-profiling to determine the most probable location of a criminal. Students find the centroid of a polygon where the vertices represent...
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Respecting Freedom of Speech
Students analyze the First Amendment. In this Bill of Rights lesson, students listen to their instructor present a lecture regarding the facets of the First Amendment. Students examine cases which pertain to the freedoms that...
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Automobile-Accident Reconstruction
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.
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What's That Tree?
Fifth graders identify trees along a nature trail. Using a dichotomous key, 5th graders answer questions to aid in their identification of trees along a specified nature trail. Observations are recorded in their science journals. Sample...
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The Mass of the Van Allen Radiation Belts
For this van Allen Radiation Belts worksheet, students are given the formula for the field line of the Earth's inner magnetic field. Students use this equation to find the polar coordinates of a field line in the van Allen Belts. They...
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Solar Flare Reconstruction
In this solar flare reconstruction worksheet, students read about the 'saturation' point of satellite detectors when solar flares are at their most intense phase of brightness. Students are given x-ray flare data and they re-plot the...
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Angles and Parallel Lines
In this geometry worksheet, learners identify the interior and exterior angles of parallel lines cut by a transversal. There are 11 questions with an answer key.
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Linear and Quadratic Approximations
Students explore a linear, a parabolic, and a log function. In this Algebra II/Pre-calculus lesson students investigate the graph a line, a parabola, and a log function. Students examine the three graphs as they compare and...
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Lines and Strings
In this lines and strings worksheet, students connect the letters along the outside of the box with string to create different kinds of lines. Students complete 4 problems.
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Conic Sections and Locii
Students differentiate between ellipse and hyperbola. In this algebra lesson, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
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Geometry
In this line and angles learning exercise, students explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find...
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Geometry Journal: Classifying Solids
In this geometry worksheet, 10th graders respond to journal prompts related to prisms and classifying solid shapes. The two page worksheet contains nine questions. Answers are included.
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Folding to Make Shapes
Second graders identify different polygons and their attributes. In this geometry lesson, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and then find their...
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Identifying and Describing Polygons
Students identify the different properties of polygons. In this geometry lesson, students differentiate between polygons and non-polygons. They review important vocabulary to help them understand the properties of polygons.
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Build Your Own Anemomter
Students investigate how to measure the speed of wind. They do this by building their own anemometers. Students calculate the air speeds while using their own projects and make observations. They conduct a mathematical discussion after...
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Side Splitter Triangles
Students investigate the side splitter theorem. In this geometry lesson, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
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Are We Sure They Are Parallel?
Fourth graders explore the definition and properties of parallel lines. This high level lesson has students calculate the slope of the two parallel lines, and draw the lines on a Caretsian coordinate system.
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Venn Diagram and Shape Sorting Lesson Plan
Students use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
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2-D Geometry
Third graders describe and compare attributes of two-dimensional shapes. They explain geometric terms, angles and shapes. Students demonstrate each vocabulary word with their body and they mirror the body positions associated with each...
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Geometry of Circles: Week 7
In this circle worksheet, students determine the number of degrees in a minor arc, find the area of a circle, find the area of a shaded region. This two-page worksheet contains six problems.
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Geometry of Circles - Week 7 (Area & Circumference)
In this circle worksheet, learners solve problems involving the circumference, area and arc length in a circle. They explore the union of circles and semicircles, as well as the line segments tangent to the circle. This two-page...
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A Perpendicular Pilgrimage
Ninth graders design a safe passage through a 2-D obstacle. In this geometric math lesson, 9th graders engage in a hands on activity to better understand the concept of geometric and algebraic perpendicularity. Students will work in...
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Bisectors of Triangles
In this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency. The one page worksheet contains sixteen questions. Answers...
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Faces, Vertices, Edges
Students identify the parts of three dimensional objects. In this geometry instructional activity, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.