banana
Go Bananas for Math Games!

Suggested Grade Range:  K-5
AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts. A wide range of lessons (Kindergarten through Eighth grade level) enables learning or review to occur at each individual's current level.  http://www.aaamath.com/

Suggested Grade Range:  3-5
This site contains the techniques, tips, and secrets used by master teachers!
http://www.multiplication.com/

Suggested Grade Range:  3-5
This web site was developed to help students improve their math skills interactively.
http://www.aplusmath.com/

Suggested Grade Range:  K-5
KidsNumbers.com is the absolutely free math resource designed by teachers, specifically for students and children of all ages. A place where students can practice all aspects of math, including addition, subtraction, multiplication, and division, in a fun and pressure free way.
http://www.kidsnumbers.com/

Suggested Grade Range:  K-5
Provides timed practice with a range of math concepts.
http://thatquiz.org/

magnificent
Remarkable Reading Games!
Suggested Grade Level:  K-2
Starfall.com provides systematic phonics approach, in conjunction with phonemic awareness practice, thus making it perfect for preschool, kindergarten, first grade, second grade, and special education students. Starfall is an educational alternative to other entertainment choices for children.
http://www.starfall.com/