*** www.scholastic.com/browse/lessonplans ~ Here you’ll find timely lessons and units for all your teaching needs, by grade and by subject.
*** http://pbskids.org/zoom/activities/sci ~ This site “mixes hot science with your cool ideas” with loads of activities and experiments.
** www.aaamath.com ~ This site offers countless math lessons, concept practice, and more, all sorted by subject–everything from addition and algebra to statistics and subtraction.
** http://pbskids.org ~ This parent- and child-favorite offers videos, games, even a cartoon studio and writing contest.
** www.discoveryeducation.com ~ Here you’ll find a “broad range of free classroom resources that complement and extend learning beyond the bell,” by subject, and for grades K-12.