This website uses sports such as basketball, baseball, and soccer to help students learn mathematics in elementary and middle school. In addition, there are logic and jeopardy games.
This is a Think Central website that includes interactive mathematics manipulatives. Manipulatives include counters, base-ten blocks, number lines, number charts, graphs, fractions, geometry, measurement, algebra, and probability.
This is a great website for fourth grade interactive science. This website includes habitat makers, world biomes, animal idol (test your knowledge), and printable books. In addition, you can go to other subjects as well such as mathematics and history.