Funbrain has lots of great learning games. Click on All Games, then scroll down the page. http://www.funbrain.com
Type in each week's spelling words and choose from a variety of fun games to practice them. http://www.spellingcity.com
Looking for a way to mix it up with math facts? http://mathfactcafe.com/
Funbrain's Math Car Racing for math facts. http://www.funbrain.com/cgi-bin/osa.cgi?A1=s&A2=0
Funbrain's Math Baseball for math facts. http://www.funbrain.com/cgi-bin/mb.cgi?A1=start1&A2=0&ALG=No&Submit=Play+Ball
Fun way to practice math facts http://www.crickweb.co.uk/assets/resources/flash.php?&file=digitmenu
LOTS of math websites geared especially for second grade! http://www.allentownsd.org/EETT/secondgrade.htm
PICO, FERMI, BAGELS: Just ask your child! He/she will know what it means! http://www.newbedford.k12.ma.us/elementary/gomes/stjohn/Subjects/Math/Pico,%20Fermi,%20Bagel/Pico,%20Fermi,%20Bagel.html
Fun spelling game you can play alone or with a partner. http://www.spinandspell.com
"Ace of Numbers" - missing addend game http://www.fuelthebrain.com/Game/play.php?ID=1