Day 1 - http://kids.msfc.nasa.gov/Puzzles/Games/

Day 2 - http://www.factmonster.com/

Day 3 - http://puzzlemaker.school.discovery.com/

Day 4 - http://www.quia.com/t/102111.html

Day 5 - http://www.kidbibs.com

Day 6 - http://edu4kids.com/math/

Day 7 - http://teach-nology.com/