Texas Instruments
What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry lesson. They work together to compare the dimensions on a model as compared to the real building.
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Tessellations WOW!
Students identify and manipulate shapes to create tessellations. In these geometry/spatial relations lessons, the students use of a variety of modalities such as literature, music, writing, and art as introductions to the concept of...
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Introducing Powers and Models
Students construct two dimensional models to illustrate squared numbers. In this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various figures...
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Mirror Symmetry/Mirror Images
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
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Scatter Plots
In this Algebra I/Geometry/Algebra II worksheet, students create a scatter plot and analyze the data to determine if the data show any type of correlation. The four page worksheet provides extensive explanation of topic,...
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Pyramids and Prisms: Guler's Formula
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry instructional activity, 6th graders construct a variety of polyhedra. Students recognize the relationships between two...
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Area of Polygons
In this geometry worksheet, students solve for the area of a triangles given the base and the height. There are 6 questions with an answer key.
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Lesson 10: Graphs
Learners explore graph theory. In this geometry lesson, graphs are used to solve problems in a variety of domains. In this lesson the term graph refers to a collection of vertices and edges used to depict...
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Shape Collage Pizza
Students identify shapes. In this geometry lesson plan, students cut out various shapes and create a "Shape Collage Pizza." Students glue their shapes onto a pizza template.
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Exploring Characteristics Needed to Prove Two Trianlges Congruent
Tenth graders explore congruent triangles. In this geometry instructional activity, 10th graders investigate the conditions necessary to prove two triangles congruent. The instructional activity combines dry erase board...
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Pascal's Triangle
In this geometry lesson, 10th graders investigate Pascal's Triangles as they relate it to probability problems and geometric problems. They review the theories behind the formulas.
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Mr. Lincoln's Hat
Bring out the inner artist with this Abraham Lincoln lesson. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
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Shapetown
Students identify basic geometric shapes. In this geometry lesson plan, students read the book Shapetown and identify the various shapes from the story. Students are given a sheet and draw part of a town using only shapes.
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A Cloak for the Dreamer
Students identify the number of sides and corners of plane figures. In this geometry lesson, students read the book A Cloak for the Dreamer and identify the ways shapes fit together. Students review shapes and identify the sides and...
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What is a Tangram?
Students identify a tangram. In this geometry activity, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Students use tangrams to complete an included worksheet.
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Tantalizing Tangrams: What Are Transformations?
Students use the Internet to learn about transformations and tessellations. In this geometry lesson plan, students use the Internet to define the meaning of reflections, translations, rotations, glide reflection and symmetry. ...
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Up, Up and Away
Tenth graders experiment with gravity and air pressure. In this geometry lesson, 10th graders build their own kits and fly it. They investigate the questions: what keeps a kite in the air and what are some important factors when flying a...
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Paper Towel Structure
Students investigate technology and its purpose in the workplace. In this geometry instructional activity, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and asked...
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Leonardo of Pisa and the Golden Rectangle
Students investigate geometry and algebra and the history behind these two interesting subjects. In this algebra instructional activity, students analyze the Fibonacci Sequence and relate it to solving exponential equations. There are...
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Triangle Sum Theorem
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
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Triangle Conjectures
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
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Similar triangles
Tenth graders investigate the theorems of ASA, AAS, AAA and ASA. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two angles are formed by...
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Triangles in My Life
Tenth graders investigate where in the real world triangles are used. In this geometry lesson, 10th graders write an essay describing where in their lives triangles are used. They can use food, buildings, clothing or anything triangular...
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Beads, Balls, and Beakers
Students analyze the amount of space required to pack round objects. In this geometry lesson, students practice using space economically by practicing packing spheres into beakers. They then translate this concept to molecules being...
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