Math: Math Dictionaries
These sites have online dictionaries that provide definitions of mathematical terms. There are illustrations, audio clips, usage examples, interactives, and more.
A Maths Dictionary for Kids
This site has definitions with interactive illustrations to explain mathematical vocabularies. Click on the alphabet on the left to browse to more mathematical vocabularies.
Illustrated Mathematics Dictionary
Find definitions, illustrations, and related reading of mathematical terms. You can browse alphabetically or search by a term. NOTE: This site contains ads and links to external sites.
InterMath: The Interactive Mathematics Dictionary
This interactive mathematics dictionary is designed for the middle school student. Includes definitions, related terms, everyday examples, interactive checkpoints, and more. Use the search or browsing function at the top to find a term.
EnchantedLearning: Illustrated Math Dictionary
This site provides short descriptions and illustrations of mathematical terms for lower elementary grade levels. NOTE: This site contains ads.
Math Spoken Here
This site contains mathematical terms for arithmetic and algebra. Includes sound clips and related lessons for the terms. Click on "All the Words" to look up a term.
Online Math Dictionary
This online mathematics dictionary covers terms on algebra, geometry, and trigonometry. NOTE: This site contains ads.
Multimedia Math Glossary
Select a grade level and chose a mathematical term on the left menu. Includes an audio clip and illustration for each term.