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Centre for Innovation in Mamatics Teaching
Area, Perimeter and Volume
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...
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...
Free Math Help
Free Math Help: Geometry: Parallelograms: What Is a Parallelogram?
The lesson discusses parallelograms. The resource examines facts, diagonals, and sides of a parallelogram. Explanations and examples are included.
Free Math Help
Free Math Help: Special Parallelograms: Squares, Rectangles, and Rhombuses!
Examines special parallelograms. Students learn about a rectangle, rhombus, and square. Definitions and examples with solutions are included.
Math Open Reference
Math Open Reference: Interior Angles of a Parallelogram
Learn about the interior angles of a parallelogram with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Oswego City School District
Regents Exam Prep Center: Theorems and Postulates for Geometry
Here is a partial list of theorems, postulates, and properties.
Math Open Reference
Math Open Reference: Rhombus
A complete reference guide to the rhombus. It provides definitions and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Rectangle
Learn about rectangles with this helpful reference tool. Provides a detailed definition, examples, and interactive activities that enhance further explanation. Includes links to related topics.