Solve Your Math Problem
http://www.webmath.com/
You'll find over 100 instant-answer, self-help, math solvers, ready to provide you with instant help on your math problem.

Mega Kids Flash Math
http://www.meganova.com/megakids/flash.htm
Interactive math tables in addition, subtraction, multiplication and division.

A+ Math Homework Helper
http://www.aplusmath.com/hh/index.html
Homework Helper will allow you to input a problem and your answer. It will then figure out if your solution is correct.

Cool Math
http://www.coolmath.com/home.htm
Designed for the pure enjoyment of mathematics

Word Problems for Kids
http://www.stfx.ca/special/mathproblems/welcome.html

Brain Child
http://www.brainchild.com/
Free online assessment (Great TAKS Practice)

NISD Math Scope and Sequence
http://www.nisd.net/secww/math/index.htm

TAKS Release Test
http://www.tea.state.tx.us/student.assessment/taks/booklets/index.html