Unit Plan
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Virginia Department of Education

Exploring 3-D Geometry

For Teachers 6th - 8th Standards
Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on...
Assessment
New York State Education Department

Regents High School Examination GEOMETRY 2009

For Teachers 9th - 12th
The University of New York Regents High School Exam for geometry from August 2009 is comprehensive in scope, with 38 questions over 22 pages. Geometers can assess their mastery of core content using a combination of multiple-choice and...
Lesson Plan
Curated OER

Creating Parallelogram

For Teachers 9th - 12th Standards
Learning how to define vocabulary words related to solving parallelograms will assist your learners in identifying different parallelograms. They use the navigator to view different shapes created by moving the parallelogram around.
Workbook
Utah Education Network (UEN)

Ch 5: Geometry

For Students 6th Standards
Shape one's understanding of geometry using the resource. The sixth of seven chapters in 6th Grade Math focuses on geometry principles. Future mathematicians learn to find the area of parallelograms, trapezoids, triangles, and other...
Handout
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Centre for Innovation in Mamatics Teaching

Area, Perimeter and Volume

For Students 5th - 8th Standards
Develop young mathematicians' knowledge of two- and three-dimensional shapes with this geometry workbook. From learning about the classifications of different shapes and figures to calculating their area, perimeter, and volume, this...
Lesson Plan
Government of Hong Kong

Areas and Volumes - 2D Shapes

For Teachers 3rd - 6th Standards
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
App
iMagine Machine

The Land of Venn - Geometric Defense

For Students 2nd - 5th Standards
Young mathematicians use their geometry skills to save the Land of Venn in an engaging math game. A fun way to reinforce children's understanding of basic geometric figures and shapes.
Printables
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K-5 Math Teaching Resources

2-D Shape Cards

For Students K - 5th Standards
Add some visual support to your elementary geometry lessons with this set of printable shape cards. From triangles and squares to octagons and nanogons, this simple resource can be used in countless ways to develop children's knowledge...
Lesson Plan
Curated OER

Finding the Area of a Parallelogram with Translations

For Teachers 8th - 10th
Young scholars calculate the area of parallelograms. In this geometry lesson, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
Lesson Plan
Curated OER

Finding the Area of a Parallelogram with Translations

For Teachers 8th - 10th
Young scholars calculate the area of a parallelogram. For this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
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...
Assessment
Inside Mathematics

Expressions

For Teachers 9th - 12th Standards
Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and...
Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - 11th
Students identify different properties of parallelograms. In this geometry activity, students complete problems that proves the theorems and properties of parallelograms. They graph the different shapes on paper.
Lesson Plan
Curated OER

Linear Inequalities - Parallelogram Problem

For Teachers 9th - 11th
Students use the Geometer's Sketchpad to illustrate possible answers to a parallelogram problem. As a class, they discuss the point-slope and linear equation forms. Individually, students solve their equations and check the results on...
Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Middle schoolers find the area of polygons.  In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate...
Worksheet
Raytheon

Geometry: Perimeter and Area

For Students 5th - 8th
In this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
Activity
K-5 Math Teaching Resources

Tangram Cutout

For Students K - 5th Standards
Challenge the spatial thinking of your young mathematicians with this printable tangram puzzle. Using different sized triangles, squares, and parallelograms, children must figure out how to fit all the shapes together to create a square.
Lesson Plan
Curated OER

Transformational Geometry Using the Geometer's Sketchpad

For Teachers 6th - 8th
Students complete a webquest on the various types of symmetry. Using a computer, they explore the concepts of transformational geometry and identify points, segments, lines and planes. They experiment with the rotation of a quadrilateral...
Lesson Plan
Curated OER

Inscribed Quadrilaterals and Parallelograms

For Teachers 9th - 10th Standards
Students differentiate between inscribed quadrilaterals and parallelograms. In this geometry lesson plan, students identify the shaped of the polygons when it is inscribed inside of a circle. They calculate the missing angles of the...
Lesson Plan
Curated OER

Properties of Special Parallelograms

For Teachers 8th - 10th
Students identify properties of parallelograms. In this geometry lesson, students label polygons as parallelogram or not. They define and label the properties of a kite.
Lesson Plan
Curated OER

Geometry Fun

For Teachers 3rd - 5th
Students learn the basic definitions of a quadrilateral, parallelogram, rectangle and square and explain the relationship/classification process between them.
Worksheet
Math Mammoth

Finding the Area of Rectangles, Parallelograms, and Triangles

For Students 9th
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems.  The formulas for finding the area of these figures are provided.
Worksheet
Math Mammoth

Divide Polygons

For Students 3rd
In this geometry learning exercise, 3rd graders draw line segments into the shape and divide it into other shapes given. Then they divide the pentagon and hexagon in different shape parts using line segments. Students also write down...
Lesson Plan
EngageNY

Unknown Area Problems on the Coordinate Plane

For Teachers 7th Standards
Scholars determine distances on the coordinate plane to find areas. The instructional activity begins with a proof of the formula for the area of a parallelogram using the coordinate plane. Pupils use the coordinate plane to determine...

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