Interactive math games http://nlvm.usu.edu/en/nav/vlibrary.html
White House for Kids http://www.whitehouse.gov/kids/
Fun for Kids http://www.scholastic.com/kids/
Online Interactive Learning Center http://quizhub.com/quiz/quizhub.cfm
National Library of Virtual Manipulatives A wonderful site for math practice using virtual math manipulatives http://nlvm.usu.edu/en/nav/vlibrary.html
This is a great site that has many lessons and games on place value! http://www.emints.org/ethemes/resources/S00000785.shtml
CRCT Practice http://www.georgiaoas.org
Use the blue tangrams (shapes) to fill in the gray shape. Challenging, but fun! http://nlvm.usu.edu/en/nav/frames_asid_292_g_3_t_1.html?open=activities
Make a word search with your spelling words. http://freewordsearch.teacherly.com
Continent and Ocean Activities http://www.sheppardsoftware.com/World_Continents.htm
Online learning activities and printable worksheets http://www.smartkiddies.com
Place Value Activities http://www.learningbox.com/Base10/BaseTen.html
This is a great website for retelling stories! Retelling Stories
Practice simple math facts. Race against 3 other players. Lots of fun! Jet Ski
Practice lots of different operations. Function Wheel
This is a great game for building a story! Story Plant
This is a great website to practice your spelling words. Spelling Practice
Links to wonderful interactive activities with matter Fun with Matter