University of Cambridge
University of Cambridge: Nrich: Count the Trapeziums (Trapezoids)
The challenge at this one page website, is to see how many trapezoids (British-trapeziums) you can find in the figure. When you have your results, you can easily check it right at the website.
Alabama Learning Exchange
Alex: Quadrilaterals
This is an inquiry lesson used to review Algebra 1 objectives by applying them to geometry concepts. Young scholars explore the properties of quadrilaterals and classify them by definition. This lesson can be use in geometry classes....
Math Open Reference
Math Open Reference: Perimeter of a Rhombus
Learn about the perimeter of a rhombus with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Heron
Learn about the life and mathematical discoveries of Greek mathematician, Heron.
Math Open Reference
Math Open Reference: Area of a Rectangle
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.
Math Open Reference
Math Open Reference: Perimeter of a Kite
A complete reference guide to the perimeter of a kite. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Diagonals of a Rhombus
Learn about the diagonals of a rhombus with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Kite
Learn about kites with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Homeschool Math
Homeschool Math: Basic Shapes
This review lesson about basic shapes (polygons)contains varied hands-on exercises and tilings about triangles, quadrilaterals, pentagons, and hexagons.
Math Aids
Math Aids: Geometry
Great resource to practice and strengthen math skills pertaining to Geometry. Math worksheets are printable, may be customized, and include answer keys.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Kite
Find a quick, concise explanation of a kite quadrilateral shape. Examples are given and clearly explained.