WordType.org
Online phrase/vocabulary lookup tool
Vocabulary.com
Vocabulary lists made by individual users
– Dr. mach
Spellzone
Vocabulary lists by school topic
Grammar Bytes!
Many grammar resources
Parts of Speech
Grammar teaching blog
Education.com
Lesson plans, worksheets, games, activities
We Are Teachers
Ideas & printable worksheets
– Science experiments
Primary Science
British Teaching Trust – downloadable science magazines & teaching theory
Analyze Math
Thousands of free Math tutorials, problems, and worksheets
TIME for Kids
Online TIME Magazine for kids in the classroom
Self-Sufficient Kids
Articles on how to work with kids
List of glossing abbreviations
Wikipedia list of many abbreviations