SCES Third Grade Technology Website
https://sites.google.com/a/schs.k12.mn.us/st-charles-elementary-technology-class/3rd-grade-1

Study Island
http://www.studyisland.com/

AR Book Finder
http://www.arbookfind.com/default.aspx

Websites providing additional practice worksheets for math concepts:
http://www.math-drills.com/
http://www.dadsworksheets.com/
http://themathworksheetsite.com/

Online games to practice math skills:
http://www.sheppardsoftware.com/mathgames/fruitshoot/fruitshoot_subtraction.htm
http://www.mymathgames.com/
http://www.aaamath.com/est27a-rounding.html#section3
http://www.playkidsgames.com/games/mathfact/default.htm
Elapsed Time - http://www.shodor.org/interactivate/activities/ElapsedTime/
Symmetry - http://greatmathsgames.com/Symmetry/index.htm
Polygon Matching Game - http://www.mathplayground.com/matching_shapes.html