NumberNut
Number Nut: Shapes, Symbols and Colors: Two Dimensional Shapes
Describes, with illustrations, the basic two-dimensional shapes students will encounter in elementary Math.
Math Is Fun
Math Is Fun: Congruent
The resource investigates congruent shapes. Examples and definitions are included.
Math Is Fun
Math Is Fun: Quadrilaterals
Students learn about the terminology and properties associated with quadrilaterals. The learning resource consists of definitions, diagrams, an exploration activity, and examples.
National Council of Teachers of Mathematics
Nctm: Figure This: Fire Hydrant
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.
Ducksters
Ducksters: Kids Math: Figures and Shapes Glossary and Terms
Math glossary and terms on Figures and Shapes for kids can be found on this site. Learn the definitions used in this mathematics subject such as polygon, base, and parallelogram.
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.
Math Words
Math Words: Alternate Interior Angles
This site offers a definition for alternate interior angles with a labeled graph and links to other related words.