These printable 3-D models are easy to use. They are pdf files that can be printed out to construct prisms, pyramids, platonic solids, polyhedra, and more.
Math Goodies is a free math help site featuring interactive lessons, puzzles and worksheets. They also provide free homework help. There are more than 400 pages of activities for students, educators and parents.
School Jokes has lots of jokes and humor all about school, school life, teachers, lessons and lots more—over 250 pages of them. Includes many subject related jokes.