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Lesson Plan
Curated OER

Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
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Lesson Plan
Pennsylvania Department of Education

Volume of Compound Figures

For Teachers 5th
Fifth graders use patterns, models and relationships to solve equations.  In this equations lesson, 5th graders define vocabulary for equations and complete worksheets explaining variables and solving problems.
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Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson. 
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Lesson Plan
Curated OER

Regular Polygons

For Teachers 5th
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Worksheet
Curated OER

Circles, Cylinders, Cones and Spheres

For Students 4th - 5th
In this comparing geometric figures activity, students continue patterns and observe circles. In this problem solving activity, students answer seven questions.
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Worksheet
Curated OER

Match The Nets

For Students 4th - 5th
In this math worksheet, students match the drawings that are in pieces in order to create three dimensional geometric figures. They match the nets with the shapes.
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Lesson Plan
Curated OER

A Thin Inch

For Teachers 5th
Fifth graders explore the importance of everyone using the same standard measurements and practice a variety of measurement skills. They determine the area of polygons and surface area and volume of three-dimensional shapes. Each student...
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Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
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Printables
K-5 Math Teaching Resources

Dot Paper

For Students Pre-K - 6th
In need of some dot paper for your next geometry lesson? Then look no further. This simple template allows you to maintain a classroom supply of this special paper for whenever the need arises.
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Lesson Plan
Pennsylvania Department of Education

Classifying Figures on the Coordinate Plane

For Teachers 5th
Fifth graders use estimation to solve word problems. In this fractions lesson, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation. This lesson...
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Lesson Plan
Curated OER

Cutting Up in Class, Fractal Style

For Teachers 4th - 7th
Students create three-dimension models demonstrating exponents, multiplying and dividing of fractions, and the use of repeating patterns in tessellations, mirror images, and tiling.
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Lesson Plan
Curated OER

Volume of Rectangular Prism and Cylinder

For Teachers 5th - 9th
Learners calculate volume of rectangular prisms and cylinders. They draw and label figures to use the formulas to calculate the volume of rectangular prisms. In addition, they use objects to calculate volume in a hands on activity.
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Lesson Plan
Curated OER

Geo Jammin' - Day 2, Lesson 6: Rhyme and Reason

For Teachers 2nd - 5th
Students listen to the poem "Shapes" by Shel Silverstein in order to accurately and specifically describe shapes' rules/traits in their journals. They illustrate the poem and take turns reading during a creative shared reading session.
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Lesson Plan
Curated OER

I've Seen That Shape Before

For Teachers 2nd - 6th
Learners identify geometric solids.  In this shape lesson, students explore the characteristics of geometric solids.  They locate pictures of shapes on the internet, and identify the shapes.  Learners draw pictures of shapes, take...
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Lesson Plan
Curated OER

Geometry Library

For Teachers 5th
Fifth graders write and illustrate books to make a class library of math term books. They utilize vocabulary associated with geometry to make their books. For example, one character may be, Mr. A Cute.
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Lesson Plan
Curated OER

Math Prefixes

For Teachers 5th - 8th
Students use a dictionary to gather appropriate information for writing simple definitions. They recognize prefixes that relate to numbers, such as mono-, bi-, and tri-. Pupils use their creative abilities to extrapolate new words to...
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Lesson Plan
Curated OER

Know Your Polygons!

For Teachers 3rd - 8th
Students identify and categorize different polygons. For this polygons lesson plan, students research and identify properties of polygons,  identify different polygon shapes, and categorize different triangles and quadrilaterals.
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Worksheet
Curated OER

Solid Shapes

For Students 4th - 5th
In this solid shapes worksheet, students learn to identify and solve word problems that use solid shapes. Students solve six word problems about solid shapes.
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Worksheet
Curated OER

Congruence Activity

For Students 5th Standards
In this congruency instructional activity, 5th graders complete 4 questions about congruent figures and transformations. Page has links to additional activities.
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Lesson Plan
Think Map

Know Your Polygons!

For Teachers 3rd - 5th Standards
Shape shifters recognize characteristics of polygons. Embracing language arts skills in addition to math, they use a thesaurus to pinpoint specific attributes of a set of polygons. They also participate in a 21-question guessing game...
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Lesson Plan
Curated OER

The Plane! The Plane!

For Teachers 5th
Fifth graders work with polygons.
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Lesson Plan
Curated OER

Equilateral Triangles

For Teachers 4th - 5th
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
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Lesson Plan
Curated OER

3-D Attributes

For Teachers 4th - 6th
Students explore geometric solids. In this geometry lesson, students listen to the book The Greedy Triangle by Marilyn Burns, then work in groups to sort geometric solids into various categories. Students define geometric solids...
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Lesson Plan
Curated OER

Geologic Time Scale Analogy

For Teachers 5th - 12th
Students examine geologic time to scale. In this geologic time lesson, students create a time-scale metaphor that shows some of the Earth's important events. Students present their metaphor to the class.