Free Stuff - Educational Technology - ICT in Education 
The Amazing Web 2.0 Projects Book lists over 100 projects with objectives, defined grade level or age range, links to additional information (including how-to's) about the project, and tips for teachers planning to use the project.
NASA - Space Math
The goal of these problems is to teach students about astronomy and space science by using mathematics and real-world problems. The current batch is for April-May.
Math Snacks
A set of concept-based math videos created by my colleagues, Michelle Flaming and Renee’ Smith. Michelle (Ms. OneDerful) and Renee’ (Ms. Glovely) teach math concepts in a fun and easy-to-understand manner.
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Eighteen Interesting Ways* to use Wordle in the Classroom - Google Docs
Techniques and tips for using Wordle in the classroom.
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Educational Blogs You Should Be Investigating
A directory of blogs from different grade levels of teachers.
Printables for Kids
Free word search puzzles, coloring pages, and other activities
Printables4Kids
Printables for Kids features FREE printable activities for preschool and school age children including word searches, mazes, puzzles, coloring pages, ad libs, word scrambles and other educational worksheets.
Computer Lab Favorites
Here are all the quick, compelling one-session activities you need to incorporate interactive learning and technology into your curriculum.
21Classes
Free classroom and education blogs. Teachers as administrators can choose to control access, posting and distribute logins without email addresses.
100
100th day of school
activity sheets
algebra
base 10
blackline masters
blogging
blogs
children
coloring pages
computer lab
crafts
dance
degrees
early childhood
early childhoodk
Education
educational games
educational technology
elementary
english
fast online activities
foreign language
fractions
free
games
geometry
handouts
high school
how to
images
ipod
k-12
kids
language arts
learning
learning games
math
mathematics
mazes
middle grades
middle school
mlearning
mobile
music
NASA
online
open source software
photos
place value
podcasts
preschool
printables
quick computer activities
science
search engine
secondary
shapes
social studies
Space Math
start a story
story engine
Story starter generator
storystarters
tangrams
teacher education
technology integration
theatre
tutorials
typing
videos
web 2.0
web apps
Windows
word scrable
word scramble
word search
wordle
worksheets
writing
writing machine
writing prompts