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Curated OER
CSI Investigation
Students solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
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Are you in Golden Shape
Students solve and verify the solution for unknown measures. In this geometry lesson plan, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
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The Pendulum
Students discover and discuss relationships and functions between varying dependent variables and how they affect the period of the pendulum. They use graphing calculator to express the data collected in a graph, to analyze the graph,...
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Snell's Law (And Then Some)
Students conduct an experiment to test Snell's Law using a block of lucite and a ray box. They measure the light rays as they impinge upon the block. Students are also asked to draw the situation of the lab or create a model of the...
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Orienting a Photovoltaic Cell
Students explore the optimum angle for orienting a solar collector relative to the rays of incoming sunlight. They review equinoxes, solstices, and various locational ideas before students investigate using meters, light sources, and...
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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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Congruence: Practice
In this congruence worksheet, students trace figures, measure sides and angles, mark congruent sides and angles, then use a given diagram to answer questions and explain reasoning. Students also answer 2 test prep questions. Houghton...
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From Where to Where?
Students find locations based upon their latitude and longitude coordinates. In this latitude and longitude instructional activity, students locate points on a grid and learn how to use an astrolabe.
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Creating Perpendicular Bisectors
Students create perpendicular bisectors. In this geometry lesson plan,students use a straight edge and protractor to create a perpendicular bisector. They graph line on the TI and analyze it.
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Geometric Basketball Court
Students calculate the area and perimeter of a basketball court. In this geometry lesson, students differentiate between similarity and congruence of geometric objects. They test conjectures and use it to solve problems.
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Graphing Data Brings Understanding
Pupils collect, graph and analyze data. In this statistics lesson, students use circle, pie, bar and lines to represent data. They analyze the data and make predictions bases on the scatter plots created.
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Trig is SOH Easy!
Students derive the six trigonometric identities. For this trigonometry lesson, students review the parts of a right triangle and use the Pythagorean theorem as a guide to find the trig identities. They find sine, cosine and tangent ratios.
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Friction Fanatics
Student and compare the three types of friction. In this physics lesson, students determine the coefficient of friction using the CEENBoT. They investigate how friction changes as the angle of the incline changes.
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Angle-Side Relationships
Students calculate the different sides and angles of a triangle. In this geometry lesson plan, students use triangular properties to define the relationship between two triangle. They identify missing angles using the interior angle...
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Avalanche!
Students build a model representing a snow-covered mountain out of flour, sugar, and potato flakes. Then they use the model to recreate an avalanche.
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Navigation Across the Seas
Students examine nautical navigation and discover the differences between nautical charts and other types of maps or charts. Students practice setting a course, taking a bearing, and dead reckoning. This gives students an example of...
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Distance Formula
Students create ways to find the number of square miles that lie in a triangle having vertices at A, B, and C. They compute the distance between two points and use Heron's formula to find the area of the triangle. Finally, students...
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Multiple Images Activity
In this images learning exercise, students use different sized mirrors to determine how many angles and images are reflected. Students complete 5 sets of directions.
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Transformations
Students draw on graph paper. In this geometry lesson, students review types of triangles and quadrilaterals. Students investigate geometric transformations, including translation, rotation and reflection. Students practice each...
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Shipwreck Alley
High schoolers examine the different types of vessels used in commercial shipping. In this commercial shipping instructional activity students apply force and motion to problems of marine safety.
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Twisted Vision
Students investigate the vision adaptations in marine animals in their environments. In this life science lesson, students use polarized filters and make observations. Students explain how the adaptation of polarized vision is an...
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Proportional Segments Between Parallel Lines
Students identify similar triangles. For this proportional segments lesson, students identify corresponding sides, set up ratios, and find the length of the missing side of a triangle. They use the parallel/proportionality...
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Tangent Properties
Students explore properties of tangent lines. In this properties of tangent lines instructional activity, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius. Students...
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CSI Investigation of Congruence and Similarity
High schoolers differentiate between similarity and congruence using polygons. In this geometry activity, students label triangles based on their properties. They find missing sides and angles using the interior sum theorem.