Improving your teaching knowledge

ENGLISH

http://www.cleverlearn.com/en/curriculum_ge.jsp This site has an interactive English proficiency assessment (except for spoken English) with test for grammar, vocabulary, colloquialism and reading comprehension.
USINGENGLISH.COM - Free Teacher Resources FREE teacher resources for English of all levels including hundreds of printable ESL handouts, PDF lesson plans, online quizzes, jobs, education news and other teaching resources. Also provides access to questions from students and teaching forum topics.

Web English Teacher The best of online K-12 English/Language Arts teaching resources: lesson plans, WebQuests, videos, biography, e-texts, criticism, jokes, puzzles, and classroom activities.
Learning English Online Learning English on the Internet - Exercises, Grammar, Exams, School, Vocabulary, Books
!! RESOURCES TO LEARN/TEACH ENGLISH !! *** For ESL/EFL/English learners/teachers: Courses, documents, games, exercises, tests, interactive pages, plays, fonts, cliparts, photos, jokes, cartoons, chat rooms, forums... Recommended by dozens of famous sites. ***
http://teachers.teach-nology.com/index.html Includes downloadable curriculum, games, lessons plans, workbooks, tutorials, etc.
http://www.planetworkz.com/word_power.asp good site for parts of speech/quiz, common English pitfalls etc.
>> For better pronunciation and accent (requires a speaker)
http://www.talkclearly.com An award-winning Pronunciation software with a downloadable free trial in US and UK accents.
http://www.americanaccent.com/
http://englishlearning.com
http://www.trainyouraccent.com/
MATHEMATICS
Interactive Mathematics Miscellany and Puzzles More than 850 Java illustrations for K12 math topics. Games and Puzzles to enliven arithmetic, algebra, geometry, probability, logic. Interactive word problems and practice worksheets. Free stuff for parents, teachers and students. The site is the winner of the 2004 MERLOT Classics award.
Free Math Worksheets Over 6000 free printable math worksheets including multiplication, division, addition, subtraction, fractions, integers, decimals, powers of ten, and graph paper
SCIENCE
Science Fair Projects and Experiments Topics, Ideas, Experiments, Resouces, Lesson Plans and Sample Projects; everything FREE.
TeacherPlanet.com Now Featuring FREE Teaching Resources for Feb/March including 330 Theme Pages, Black History Month,100th Day of School, Valentines Day, Winter and much more - complete with Lesson Plans, Worksheets, Theme Units, Free Software, Certificates, Teacher Tools and a whole lot more!
InstructorWEB.com - Teach Basic Skills and Life Skills Basic skills worksheets and lesson plans for teaching basic skills and life skills. Resources and tools for teachers and special educators.
Instant Display Teaching Resources A site full of teaching posters to brighten up your classroom. Also includes a growing number of FREE posters and resources
FT Exploring Science and Technology Education Award winning educational site for students and teachers. Lesson plans.
READING

Reading Workshop Free quality reading resources made for teachers by teachers! Free online tutorials for 11 reading strategies grades 3-5. K-2 strategies in separate index . Free reading comprehension & activity worksheets.
The Reading Lesson Child-friendly reading program offers lots of FREE downloads, math, stories, and writing. Teach your child sounds of letters with a full online phonics movie. FREE.

READING A-Z for 30 Free Downloadable, Printable Books

The Online Reading Program. Download, print and assemble hundreds of books to help children learn to read. Leveled guided books, decodable phonics books, alphabet books - all with extensive lesson plans and worksheets