Illustrative Mathematics
What Shape Am I?
Sharpen your pencil and grab a ruler, it's time to draw some quadrilaterals! Given the definition of a parallelogram, rectangle, and rhombus, learners draw examples and nonexamples of each figure. The three definitions are...
Curated OER
Proving Quadrilateral Properties
Working backwards can sometimes help you see a path to solving a problem. In this chapter, properites of quadrilaterials are proven by looking at flowcharts and working the probem backwards. Worked through examples are given, along with...
Curated OER
Properties of Special Quadrilaterals
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, students solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create different...
Curated OER
Quadrilateral Explorations
In this geometry worksheet, 9th graders classify quadrilaterals by using coordinate geometry and the properties of various quadrilaterals. The seven page worksheet contains eleven questions. Answers are...
Curated OER
Similar Polygons
In this geometry worksheet, students solve problems dealing with polygons. They differentiate between similar and congruent polygons. There are 18 questions with an answer key.
Curated OER
Shape and Space: Transformations
Students explore transformations. In this mathematical transformations lesson, students define quadrilaterals, convert centimeters to meters, and complete a transformations worksheet.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Shape Classification
Investigate the properties of triangles, quadrilaterals, and regular polygons using this interactive Learn Alberta math resource. Students are able to practice classifying shapes based on their different properties. Be sure to follow the...
Texas Instruments
Texas Instruments: Exploring Quadrilateral Properties Using Cabri
Students can use Cabri Jr. to learn about the properties of quadrilaterals as well as learn about the relationships between quadrilaterals.
Texas Instruments
Texas Instruments: Investigating Properties of the Diagonals of Quadrilaterals
In this activity, students will explore the properties of the diagonals of various quadrilaterals. They will use a quadrilateral hierarchy chart to examine the relationship between the quadrilaterals.
Texas Instruments
Texas Instruments: Properties of Quadrilaterals
This activity focuses on the properties of special quadrilaterals. [Requires Adobe Reader.]
Other
National Council of Supervisors of Mathematics:properties of Quadrilaterals
National Council of Supervisors of Mathematics: Properties of Quadrilaterals provides a teacher learning module on how to effectively teach properties of quadrilaterals and resources that would help to do this.
Other
National Council of Supervisors of Mathematics: Properties of Quadrilaterals
National Council of Supervisors of Mathematics: Properties of Quadrilaterals provides a geometric design learning module, on how to effectively teach properties of quadrilaterals which is used to develop skills in teachers to aide in...
CK-12 Foundation
Ck 12: Elem Math: Identifying Quadrilaterals by Description
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to identify which type of quadrilateral matches the description given. Includes video demonstrating a sample problem...
Khan Academy
Khan Academy: Quadrilaterals Review
After reviewing the properties of different quadrilaterals, students answer questions about each type.
CK-12 Foundation
Ck 12: Geometry: Trapezoids and Kites Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide looks at properties and theorems about trapezoids and kites.
CK-12 Foundation
Ck 12: Geometry: Parallelograms Study Guide
This study guide on parallelograms covers types of quadrilaterals, properties of parallelograms and theorems that describe them, how to identify parallelograms, and special types of parallelograms. It is available for download with free...
University of Cambridge
University of Cambridge: Nrich: Is a Square a Rectangle?
This one page website offers a challenge working with rectangles that can lead to a discussion of their properties. Teacher notes offer direction and a solution is offered at this website.
University of Cambridge
University of Cambridge: Nrich: Making Squares
On this one page website sharpen your logic, spatial sense, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.