Lesson Plan
Curated OER

Geometry: Area

For Teachers 2nd - 6th
Students visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.
Worksheet
Curated OER

Area of Shapes

For Students 4th - 6th
For this geometry worksheet, students find the area of squares, rectangles, and non traditional shapes. Students complete 5 problems on this worksheet. 
Activity
Mrs. Burke's Math Page

The Amazing Pi Race

For Teachers 7th - 12th Standards
Add a sense of excitement to your math class with this race across the country. Using their knowledge of all things circular, young mathematicians work in pairs answering a series of pi-related word problems as they hop from one city to...
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
Activity
PBS

Using Symmetry to Create Corporate Logos

For Teachers 4th - 8th Standards
Young mathematicians investigate the use of symmetry in graphic design. After first learning about reflection, translational, and rotational symmetry, children use this new knowledge to identify symmetry in letters of the...
Lesson Plan
Curated OER

Navajo Yei

For Teachers K
Students explore geometry in Navajo culture. In this geometry lesson, students search for different geometrical shapes in Navajo art. Students then create their own rug or jewelry design using geometrical shapes.
Lesson Plan
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Quadrilaterals

For Teachers 3rd - 6th
Students construct a variety of four-sided figures using a K'NEX Geometry Set. They view and discuss pictures of shapes, then in small groups they construct as many four-sided shapes as possible using the K'NEX Rods and Connectors. As a...
Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
Lesson Plan
Curated OER

"Sir Cumference and the First Round Table" by Cindy Neuschwander

For Teachers 4th - 6th
Young scholars analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
Worksheet
Curated OER

Perimeter, Area, Volume, and Surface Area

For Students 10th
For this geometry activity students solve problems involving perimeter, area, volume, and surface area for various geometric shapes.  The four page activity contains twenty-five problems.  Answers key is provided. 
Worksheet
Curated OER

Add Like Mad!

For Students Pre-K - 1st
In this adding shapes worksheet, students add geometric shapes, record their sums, and write number sentences. Students solve three problems.
Lesson Plan
Curated OER

Shapetown

For Teachers Pre-K - 2nd
Students identify basic geometric shapes. In this geometry lesson, 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.
Lesson Plan
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Cutouts

For Teachers 1st - 3rd
Students identify symmetry in shapes. In this geometry lesson, students fold paper to identify lines of symmetry. Students create various symmetrical shapes using folded paper.
Lesson Plan
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Miami Metrozoo & Mathematics

For Teachers 12th
Twelfth graders use Algebra and Geometry to solve a real life problem at the Zoo.
Lesson Plan
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Complex Area Problems

For Teachers 9th - 11th
Students calculate the area of different polygons. In this geometry lesson, students find the area of complex polygons. They solve word problems using rates and distances.
Lesson Plan
Curated OER

Number Prefixes

For Teachers 7th - 12th
Students recognize the number prefixes used throughout the English language. They identify the shapes and the prefixes that are associated with them.
Worksheet
Curated OER

Angle Bisectors

For Students 10th
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
Worksheet
Curated OER

Geometric Concepts and Polygons

For Students 9th - 11th
In this geometry instructional activity, students identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
Lesson Plan
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Geometry in the Constellations: The ER-2

For Teachers 2nd - 4th
Students discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
Lesson Plan
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NON-EUCLIDEAN GEOMETRY.

For Teachers 8th - 9th
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this instructional activity students also create and critique inductive and deductive arguments concerning congruency,...
Lesson Plan
Curated OER

Internet Field Trip on Fractions and Geometry

For Teachers 2nd - 4th
Learners take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
Lesson Plan
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Geometry Geopardy

For Teachers 3rd
Third graders participate in a game in order to review geometric concepts.
Worksheet
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Geometry Worksheet

For Students 7th - 9th
In this geometry worksheet, students match the appropriate formula or definition that goes with the vocabulary word that includes angles and shapes.
Worksheet
Curated OER

Geometry Maze and Coloring Sheet

For Students 3rd
For this geometry coloring maze worksheet, 3rd graders color a path of rectangles to help a dog ( pictured) to find his way to the dog house. They choose the rectangles out of other geometric shapes such as stars, oval, triangles,...

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