Databases

• World Book - Math
  Find definitions for all sorts of math terms!

Websites

• Math Flash Cards
  Create and print your own flash cards.

• CoolMath.com
  For kids from 3-12. Includes lessons, puzzles, brain benders, and other fun challenges.

• Interactive Mathematics
  Lots of great ways to practice your math skills.

• Measurements Converter
  A conversion table for weight, time, length, area, speed, pressure, and other things.