Teachnology
Teachnology: Division Teaching Theme
Division Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media for the elementary grades.
BBC
Bbc Skillswise: Calculation: Pen and Paper Methods
This Skillswise site focuses on using pen and paper in solving math problems. Included are a video about why learning to calculate on paper is important, fact sheets and worksheets that give instruction, quizzes on the information...