Worksheet
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Geometry - Segment Exercises

For Students 3rd
For this geometry worksheet, 3rd graders complete 5 exercises with line segments. They name segment that are shown in figure, compare the lengths of segments, name intersections, and tell alternate ways of naming segments.
Lesson Plan
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Build Your Own Anemomter

For Teachers 6th - 12th
Pupils 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 the...
Worksheet
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Measuring Angles

For Students 10th
In this measuring angles worksheet, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also refer to the...
Lesson Plan
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2-D Geometry

For Teachers 3rd
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...
Lesson Plan
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Venn Diagram and Shape Sorting Lesson Plan

For Teachers 2nd - 4th
Pupils use Venn diagrams to represent classifications of shapes and to use counting arguments to find the number of objects in a given set.
Lesson Plan
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Are We Sure They Are Parallel?

For Teachers 4th
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.
Lesson Plan
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Faces, Vertices, Edges

For Teachers 9th - 10th
Pupils identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
Lesson Plan
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Coordinate Grid: Mapping an Archaeological Site

For Teachers 6th - 8th
Students examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.
Lesson Plan
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A Perpendicular Pilgrimage

For Teachers 9th
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...
Worksheet
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Polygons

For Students 4th
In this polygons worksheet, 4th graders identify and name the 4 polygons drawn on the bottom of the worksheet and then draw a triangle, hexagon and a quadrilateral.
Worksheet
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Angle Relationships

For Students 10th
In this angle relationships worksheet, 10th graders solve 7 problems related to the different types of angles that occur in pairs. First, they identify each pair of angles as adjacent, vertical, complementary, supplementary, and/or as a...
Lesson Plan
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Private Matters

For Teachers 6th - 12th
Students examine the intersection between an individual's right to privacy versus the public's right to know, through the lens of the relationship between public figure Gary Condit and missing intern Chandra Levy.
Lesson Plan
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Coordinate Grid: Mapping Archeological Sites

For Teachers 4th
Fourth graders discover how to apply the Cartesian coordinate system by figuring out the length and width of their school playground. They determine that pacing is an important tool for the initial mapping of a site. Students conduct a...
Lesson Plan
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Light Bounce

For Teachers 9th - 11th
Students solve problems involving triangles. In this geometry lesson, students apply properties of triangles to find the missing angles and sides. They identify angles of parallel lines cut by a transversal.
Lesson Plan
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Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Students identify the measure of missing exterior angles. In this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
Lesson Plan
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Focusing on Lenses

For Teachers 3rd - 5th
Students explore scientific observations by examining the parts of a microscope. In this optics lesson, students discuss the importance of a focal point and focal distance when utilizing an optical device such as a microscope. Students...
Lesson Plan
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Math is Beautiful

For Teachers 4th - 7th
Students explore how geometry is used on the composition of artworks by artists from different cultures. This instructional activity is equally suited for a Math or Art classroom at the late-elementary or early-middle school level.
Lesson Plan
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Measure Up!

For Teachers 5th - 12th
Learners examine parallax and angular measurements.  In this investigative lesson students calculate distances of objects and map their results.
Lesson Plan
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Angles and Parallel Lines

For Teachers 6th
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
Lesson Plan
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Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
Worksheet
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Geometry, Word Search Puzzle

For Teachers 6th - 8th
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.
Lesson Plan
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Shapes Are Everywhere

For Teachers 3rd
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...
Lesson Plan
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Crossroads Blues

For Teachers Pre-K - 6th
The crossroads, and the decisions made and entities met there, are a common theme in literature, pushing readers to examine the choices and encounters that shape life experience. The theme has also been explored in blues music, most...
Lesson Plan
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Linear and Quadratic Approximations

For Teachers 11th - 12th
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...