Curated OER
Constructing Tangrams
Sixth graders are introduced to how geometry and algebra are related. In groups, they graph various points on a coordinate plane and write the ordered pair for each quadrant. Using this information, they create their own tangrams to...
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Tangrams
Fifth graders explore the context of how and when to use tangrams in geometry. They create and draw a number of different geometric figures using tangrams. Students work on their visual spatial skills.
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Shape Up!
Students investigate measurement through the use of literature through this series of lessons.
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Geometry Center Games
First graders review the placement of positional words and shapes. In groups, they travel between eight centers throughout the classroom in which they participate in various activities. They focus on concepts that are related to Geometry.
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Investigating Area Using Tangrams
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
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Tantalizing Tangrams
Young scholars construct a set of tangrams. In this geometry lesson, students read the book, Grandfather Tang's Story and retell the story using tangrams. Young scholars construct their own set of tangrams using the included worksheets.
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The Quirky Quadrilateral
Fourth graders identify and classify different triangles and quadrilaterals. Then they demonstrate an understanding of plane and solid geometric objects and use this knowledge to show relationships and solve specific problems. Students...
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Shapes at Work
Students use their classroom to look for various types of shapes. In their science journals, they record the shapes they find and identify those that can be used to solve problems or build structures. They share and post their sketches...
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Geometry Center Games
First graders explore eight geometry activities that improve understanding of positional words and shapes. They identify, describe, and create simple geometric figures. They help another student who may not understand the concept yet.
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Tantalizing Tangrams
Students create puzzles of animals based on the 12-animals cycle of the Lunar Calendar. They use logical or spatial relationship skills. Students comprehend the mathematical term geometry. They research the history, beliefs of the...
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Tango's Story
Fifth graders listen to "Grandfather Tang's Story" and use tangram pieces to create animals described by the main character.
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Explorations with Shapes
Students describe, identify and compare two-dimensional figures. They also name and demonstrate the relative position of objects using directional words. They sort and compare two-dimensional figures and three-dimensional objects...
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Geometry: Lesson 6: Shapes
Fourth graders design a figure using the given geometric shapes from a set of tangrams. They manipulate common shapes to analyze and make new figures. They complete a worksheet associated with the lesson.
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Tangrams
Students construct the tangram pieces from a square paper by following directions to fold and cut. They make observations on the pieces formed and compare how they are related to each other. They explore patterns and shapes with the...
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Making Tangram Pieces by Folding Paper
Third graders follow directions to make a set of tangram pieces. After reading a story, they compare and contrast the differences between two-dimensional shapes. To end the lesson plan, they use the tangram pieces to create their own...
Pennsylvania Department of Education
Tangram Challenges
Students explore geometric concepts by working with Tangram Puzzles. In this Tangram challenge lesson, students use problem-solving tasks that involve physical manipulatives. Students select a picture and use all seven pieces of the...
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Cut - Stretch - Fold
Students work on determining the area of a tangram piece without using a formula by working with geoboards, graph paper, and tangram pieces. After completing the activity, they apply their experience to determining a formula for finding...
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Describing an Object's Position
Students explore language arts by participating in a shape identification activity. In this geometry shape lesson, students discuss the vocabulary terms used to describe the location of an object. Students complete a worksheet based upon...
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Hickory Dickory Dock
Students follow written directions to construct their own tangram. In this tangram instructional activity, students use their tangram to develop original figures that illustrate characters and/or objects from their favorite nursery...
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Grandfather Tang's Story
Students construct tangram patters. In this geometry lesson, students read the book Grandfather Tang's Story and visit various websites to practice covering figures with tangrams. Students attempt to construct animal shapes using puzzles.
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Slides, Flips and Turns
Third graders are introduced to the meanings of the concepts slides, turns, and flips in how they relate to Geometry. As a class, they use their bodies to demonstrate how each term should look like. To end the lesson plan, they apply...
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Math and Native Americans
Students explore how math is relevant to Native Americans. Students investigate Indian culture through geometry. They describe and create geometric polygons and patterns. Students problem solve with tangram patterns to make Indian...
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Cut, Construct and Think 3
Young scholars identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.
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Building Quadrilaterals
In this building quadrilaterals worksheet, 10th graders solve and complete ten different problems related to types of quadrilaterals. First, they build the quadrilateral on the given geoboard. Then, students draw the shape named using...