Reading Comprehension Worksheet Online Sources

http://www.rhlschool.com/reading.htm
Featuring free Reading Comprehension worksheets for teachers and parents to copy for their kids. They include original stories, poems, essays, and articles. They are most appropriate for upper elementary through middle school years.

http://www.edhelper.com/ReadingComprehension.htm
A reading comprehension web site for grades 1 – 8. They use coloring books, a variety of stories, biographies, and animal associations in printable worksheets.

http://www.abcteach.com/directory/reading_comprehension/
They use printable stories with families, friends, animals, holiday themes, biographies, and published books and literature that come with questions about the readings. They also have practice tests and assessment tests.

http://www.teach-nology.com/worksheets/language_arts/reading_comp/
They use a variety of age-appropriate themed literature with short answer and multiple choice questions with them. They have comprehension games, teaching resources/lessons, U.S and international history worksheets, and themed programs.