Number & Operations

AAA Math Fourth Grade
Measurement of many kinds, geometry, perimeter and circumference--all this plus the typical math operations.  

Math Surf 
Comments:  Scott Foresman / Prentice Hall site for more activities for students K-6.

A Plus Math
Comments:  This web site was developed to help students improve math skills interactively. There is a game room, flashcards, homework helper ... see each entry written up separately.

Change Maker
Comments:    The object of the game is to as much money in your piggy bank as possible.  The more you get, the bigger the prize at the end.

Hungry for Math: Fractions
Comments: This is a thinkquest site where the student will use fractions and recipes to understand fractions in a practical way.

Funbrain  Fresh Baked Fractions
Comments: An interesting game using adding and subtracting of fractions.

Funbrain Power Football 
Comments: A fun football math game.

KidsBank
Comments:Take a a tour of Money, Savings, Interest, Checking, and Electronic Banking. Follow Penny, Interest Ray, Dollar Bill, Checks, and EFT. 

Math All Around Us 
Comments: This is a thinkquest written by fifth graders. Learn about patterns, big (I mean really big) and small (really tiny) numbers, fractals, fibonacci numbers, and more.

Math Baseball 
Comments: A baseball game using all four mathmatical processes.

Mighty Mouthwatering Math
Comments: Teaches fractions /percentages in a mouth-watering way.  Uses bags of m&m's to answer 1. What percentage of each color was in the bag? 2. Are percentages similar worldwide?

The Abacus: The Art of Calculating with Beads 
Comments: A detailed site that gives the history of the abacus as well as instruction on how to use it. 

The ABC's of MegaMath 
Comments:   The basic idea behind MegaMath is to make math more interesting and challenging. This site offers many extension projects.

Mathematics Lessons that are Fun, Fun, Fun!
Comments:  Many lessons on counting, fractions, graphing, money, etc. from Cynthia Lanius at Rice U.

Fibonacci Freaks
Comments:This is a thinkquest site. Fibonacci numbers are a different way of counting (found especially in nature). This site offers a game to use these numbers to build a pyramid.

Multiplication.com
Download games, worksheets, and play online games to help you learn your multiplication facts.