Stories and educational games to practice spelling, phonics, and math.
This site offers fantastic activities to promote problem solving. It is also an opportunity to explore his wonderful books about math.
This site is written by NCTM (National Council of Teachers of Mathematics). Activities can be found for all grades levels, and are excellent for home or school use.
IXL offers math practice on specific skills, such as measurement, counting, money, addition, and subtraction.