Learning Planet -Math Facts -Equivalent Fractions http://www.learningplanet.com/stu/kids3.asp
Fun School -Fractions -Addition -Counting -Odd & Even -Patterning -Subtraction -Multiplication -Greater Than/Less Than -Weights & Measurement -Geometry -Time http://funschool.kaboose.com/arcade/math/index.html
Math Fact Cafe Flashcards -addition -subtraction -multiplication -division -fractions http://www.mathfactcafe.com/view/view.aspx?t=F&g=3
Division Machine http://www.amblesideprimary.com/ambleweb/mentalmaths/dividermachine.html
Multiplication Machine http://www.amblesideprimary.com/ambleweb/mentalmaths/testtest.html
Hi-Rise Addition 2 Player Addition Game http://www.harcourtschool.com/activity/hrise/hrise.html
Geometry Flip, Slide, & Turn http://www.harcourtschool.com/activity/icy_slides_flips_turns/
Skillswise Whole Numbers, Measurement, Shapes, Fractions, & Probability http://www.bbc.co.uk/skillswise/numbers/wholenumbers/
Place Value & Weights http://www.bbc.co.uk/schools/ks1bitesize/numeracy/units/
US Mint Money http://www.usmint.gov/kids/games/
Math Magician http://oswego.org/ocsd-web/games/Mathmagician/cathymath.html
Rainforest Math http://www.rainforestmaths.com/
Fly a Kite Multiplication Fact Families http://www.harcourtschool.com/activity/fly_a_kite/
Tangrams http://nlvm.usu.edu/en/nav/topic_t_3.html
Making $cents of Money http://library.thinkquest.org/J003358F/
The National Library of Virtual Manipulatives http://nlvm.usu.edu