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Curated OER
Polygon Perimeters
Learners complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
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Geometric Solids
Students identify and create simple geometric shapes and describe simple spatial relationships. Through discussion, hands-on activities and show and tell, they identify geometric solids in real life and create graphs of commonly found...
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Property Lists for Quadrilaterals
Students establish classifications of shapes by various properties (angles, sides, etc.). They introduce the important properties of common shapes. Students develop an awareness of the wide variety of ways the 2-D shapes can be alike.
Curated OER
Finding Polygons in Cubist Art
Fourth graders explore geometric properties and relationships in a two-dimensional work of art. They first search for and identify polygons in a Cubist painting and then use polygons to create their own Cubist portrait of a classmate.
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Forest Dwellings: Toad House
What a great project to use as part of an exploration of animals or habitats. Learners design a clay model of a home for a forest animal. This could be a great way to cement what your class has learned about habitats.
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Artists Teach Us to See the World through Visual Symbols
Tenth graders analyze a biographical piece of art by Raymond Saunders. They identify shapes, symbols, and lines that are used, and how the piece relates to the artist's life and modern society. They design and create an original piece of...
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Ship Shape
Third graders experiment with, identify, and follow teacher-directed instruction toward understanding two-dimensional geometric shapes found within the environment. Groups of students utilize geoboards to help them explain geometric shapes.
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Down on the Farm
Students are introduced to a map of an Illinois farm. They determine whether the map is of the past, present, or future by looking at features on the map. They also use the map to make a three-dimensional model.
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Visual Elements in the Giant Kites of Guatemala: Shape, Rhythm, and Color
Students view pictures of and discuss geometric shapes included in kites from Guatemala. They discuss the repetition of shapes and how that creates a motif. Students draw three concentric arches across their paper. They create a design...
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Sort Solid Figures
In this solid figures worksheet, students read the word problems about the solid figures and find the figure that follows the rule.
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Tessellations & Transformations
In this tessellations and transformations activity, 10th graders solve 9 different problems that include various types of tessellations. First, they write examples from history of tessellations and name 3 artists. Then, students define...
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Math 212: Planes
In this planes worksheet, students consider the position of given vectors and find the vector equation of a plane. They identify the points that lie on a plane and determine the equation of a line through given points. This two-page...
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Intro to Geometry
Seventh graders identify a polygon and classify them using congruent sides and number of edges and vertices. Students transform two dimensional objects into three dimensional objects.
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Rep Tiles
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
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How Many Regular Polyhedrons Are There In This or Any Universe?
Students examine the idea of "regularity" as it pertains to geometry. In this geometry lesson students complete several assignments that are part of trihedral angles and regular polyhedrons.
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Midpoint of a Segment
Learners revisit midpoint and segments by graphing on the TI or computer. This activity can be done with pencil and paper, but is more interactive if it is done on a TI-navigator.
Teach Engineering
Connect the Dots: Isometric Drawing and Coded Plans
Individuals discover how to draw cubes on triangle-dot paper. They use cubes to build structures and draw corresponding isometric drawings on dot paper in the second lesson of the series of five. The activity also introduces the concept...
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Working With Electronic Topography Maps
Junior geologists examine topographic maps online and learn how to read them. they answer seven associated follow-up questions. This lesson plan is only a general outline and does not provide the details or the websites that you...
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Facial Symmetry
Learners study facial symmetry. They explore lines of symmetry, and create illustrations with multiple lines of symmetry.
Pennsylvania Department of Education
Problem Solving with Fractions
Solve story problems using fractions or decimals. Then, determine the reasonableness of answers using estimation.The detailed lesson plan includes essential questions, vocabulary, a materials list, and links to related units.
Curated OER
Geo Jammin' By DeSign - Day 3, Lesson 15: The Quiltmaker's Gift
Students listen to a read aloud of The Quiltmaker's Gift by Jeff Brumbeau finding examples of symmetry in the illustrations in the book.
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Geo Jammin' By DeSign - Day 3, Lesson 16: The ABC of Symmetry
Students follow directions in the ABC of Symmetry to make a butterfly which shows a line of symmetry.
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Geo Jammin' - Day 1, Lesson 3: Math Moments on My Mind
Second graders write a Math Moments journal.