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Only the Shadow Knows
Middle schoolers become familiar with the causes for formation of shadows. They create shadows, compare the size and shape of the shadow with the actual object, engage in shadow play theatre, and discover what happens to shadows when...
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Geologic History PowerPoint Follow Sheet-The Rules of the Game
In this geologic history worksheet, students answer questions about the earth's history, about dating fossils, about layers of rocks and about unconformity.
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Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
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Pass It On
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
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Polygons All Around Us!
Students explore the concept of polygon properties. In this polygon properties lesson plan, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes...
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Wheeling Around
Eighth graders explore the characteristics of a circle and the formulas to find circumference. They use a bicycle wheel to determine the circumference around a wheel. They utilize a worksheet imbedded in this plan which has a variety of...
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No Edge, No Center -- Exploring the Shape of Our Universe
Students examine various "spaces" (including ones that are one-dimensional, two-dimensional, and three-dimensional). For each space, they will examine what it means to have or not have an edge, or to be finite or infinite.
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Meet the Polygon Family
Fourth graders investigate regular polygons. In this regular polygon activity, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
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Inscribed Angles
Students calculate the inscribed angle of a triangle. For this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
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Math with Maps and Globes
Young scholars round out their math skills with these ‘round the world' ideas. In this math and geography lesson, students try out time zone sticks, a polar race, and tic-tac-globe to engage them in learning more about globes and the...
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Exploring Geometric Mean
Students solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Distance in Coordinate Geometry
Young scholars analyze distance and graphing. In this geometry lesson, students work problems on a coordinate grid calculating the distance. They apply the Pythagorean Theorem to their data and answer.
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Globe Skills Lesson 3 Voyage to the New World
Students explore the globe. In this globe skills lesson, students use their knowledge of latitude and longitude to respond to questions regarding Christopher Columbus's maiden voyage to the Americas.
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Reflection
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of a parallelogram. In this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
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Finding the Area of a Parallelogram with Translations
Students calculate the area of parallelograms. In this geometry lesson, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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The Proof
Learners will construct simple curves on graph paper by connecting a series of points between the vertical and horizontal axes. They share their designs and explain the patterns.
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Globe Skills Lesson 7 The Transcontinental Railroad
Students explore the Transcontinental Railroad. For this geography skills lesson, students use map skills in order to locate legs of the Transcontinental Railroad on globes.
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Discovering The Ratio Pi And The Diameter
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
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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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Magellan
Students identify the route of Magellan's voyage. In this map skills lesson, students use a globe to identify various coordinates where Magellan traveled.
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Hang in There
Students view a video clip about bridges. They examine the cables that stablize the Golden Gate Bridge. They relate this concept to elevators.
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Geometric Glossary
Fourth graders use drawing and paint tools to identify, draw and state several geometric terms.