The following links are meant to help early elementary teachers to find materials to use with children who are just beginning to learn about fractions.

Interactive Fractions
http://nlvm.usu.edu/en/nav/topic_t_1.html
Allows students to make and work with their own fractions

Crossing the River
http://www.harcourtschool.com/activity/cross_the_river/
A simple but fun game that gives kids practice in identifying what a fraction means

Fraction Match Hidden Picture
http://www.harcourtschool.com/activity/con_math/g03c21.html
Lets children match fractions to their picture models and find the picture hidden underneath when they clear the screen by making all of the matches.

Who Wants A Pizza?
http://math.rice.edu/~lanius/fractions/frac.html
Explains what the various numbers in a fraction mean, and then allows children to actively make the fractions listed.

Fraction Tutorial
http://www.kidsolr.com/math/fractions.html
Shows kids what fractions mean, and allows them to find matching fractions to numbers in a whole. How many objects in this line matches this fraction.

AAA Math
http://www.321know.com/fra16_x2.htm
A place to find dozens of resources on fractions--including games, demos, and activities

Math5 Alive
http://www.learnalberta.ca/content/me5l/html/Math5.html?launch=true
A great site that shows cartoons explaining fractions and many other 4th grade math concepts.