2nd Grade

Pongo Game

http://www.prongo.com/mathtwo/multiplication.html

 Addition: Connect 4

http://www.shodor.org/interactivate/activities/ArithmeticFour/

 2nd Grade

Addition Games

http://www.internet4classrooms.com/skill_builders/adding_math_second_2nd_grade.htm

 Addition Surprise

http://www.harcourtschool.com/activity/add/add.html

 

Addition Machine

http://www.amblesideprimary.com/ambleweb/mentalmaths/additiontest.html

 

3rd Grade

 

Place Value Movie

http://www.youtube.com/watch?v=yOz8Fq0nNqg

 

 Comparing numbers:

http://www.ezschool.com/Games/Compare.html

Place Value Games

http://www.math-play.com/place-value-games.html
Don't do anything with the word decimal in it

 Place Value Puzzler

 http://www.funbrain.com/tens/

 Toon University
http://www.toonuniversity.com/flash.asp?err=496&engine=9
 

4th Grade 

http://www.multiplication.com/games

 Sheppard’s Software

http://www.sheppardsoftware.com/math.htm

 Fun for the Brain

http://www.fun4thebrain.com/mult.html