This study guide on circles covers some vocabulary terms, and inscribed angles and polygons. It is available for download with free registration.

Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...

Learn how to construct convex polygons and the mathematical foundations of symmetry on this site.

Explains the basic concept of quadrangles (quadrilaterals} with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

Identify and compare shapes based on their attributes. Shapes include triangle types, quadrilateral types, pentagons, and hexagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

[Free Registration/Login Required] Students will move the vertices of the kite to explore how to change the shape of quadrilaterals. Click learn more to watch a video and click challenge me to answer practice question.

The purpose of this task is to use the Pythagorean Theorem and knowledge about quadrilaterals in order to construct squares of different sizes on a coordinate grid. Aligns with G-GPE.B.7.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine missing angles in a parallelogram.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on finding the missing angles in a trapezoid.

MathWorld provides the definition of a rectangle and the area formula of a rectangle.

[Free Registration/Login Required] Students will use the interactive activity to complete the venn diagram. Click learn more to watch a video and click challenge me to answer a practice question.

A complete reference guide to the square. It provides definitions, attributes, and interactive activities that enhance further explanation. Includes links to related topics.

Gain an understanding of parallelograms with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....

The purpose of this task is to ask students to write expressions and to consider what it means for two expressions to be equivalent. Aligns with 6.EE.A.

Students will use a swimming pool example to practice finding perimeter and area of different rectangles.

Learn about the area of a trapezoid with this helpful reference tool. Provides a detailed definition, examples, and interactive activities that enhance further explanation. Includes links to related topics.

[Free Registration/Login may be required to access all resource tools.] This concept teaches students properties of and theorems about parallelograms and how to apply them.

This tasks gives a verbal description for computing the perimeter of a rectangle and asks the learners to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...

[Free Registration/Login Required] Explore the world of polygons. Review the different types of polygons and quadrilaterals. Practice counting angles and sides. Identify specific polygons and create your own polygons.

An integrated geometry activity on spatial sense in which students identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students are introduced...

Learn about the area of a rectangle with this helpful reference tool. Provides a detailed definition and interactive activities that enhance further explanation. Includes links to related topics.

Great resource to practice and strengthen math skills pertaining to Geometry. Math worksheets are printable, may be customized, and include answer keys.

The properties of parallelograms are explained through examples and a video lesson. [0:53]