Drag the number cards to the correct position to make a correct number sentence.
http://www.oswego.org/ocsd-web/games/SumSense/sumdiv.html

Drag each card to the correct location to make a correct number sentence.
http://www.oswego.org/ocsd-web/games/SumSense/summulti.html

You can set the time and the number of questions. Can you beat the clock?
http://www.oswego.org/ocsd-web/games/SpeedGrid/Multiplication/urikamulti...

You choose the number of questions and the time. Can you beat the clock?
http://www.oswego.org/ocsd-web/games/SpeedGrid/Addition/urikares.html

Phase One
Put the power buttons in the correct circles so all lines of numbers add to the given number.
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines1.html

Phase Two
Use the password from Phase One to continue the challenge!
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines2.html

Phase Three
Use the password from Phase Two to complete the challenge!
http://www.oswego.org/ocsd-web/games/Powerlines/powerlines3.html

Speed and accuracy drill on all four operations.
http://www.oswego.org/ocsd-web/games/mathmagician/cathymath.html

And some more practice...
http://www.oswego.org/ocsd-web/games/mathmagician/maths1.html

Choose your starting number. Then click repeatedly on only those ghosts which are multiples of that number. How long does it take to reach 100?
Three thumbs up!

http://www.oswego.org/ocsd-web/games/Ghostblasters1/gbcd.html

Can you solve 20 subtraction facts in 60 seconds?
http://www.oswego.org/ocsd-web/games/Mathmagician/mathssub.html

Can you solve 20 addition questions in 60 seconds?
http://www.oswego.org/ocsd-web/games/Mathmagician/mathsadd.html

Roll or choose a number in Pascal's Triangle and then click on all entries that are multiples of the number, thereby practicing multiplication tables, investigating number patterns, and investigating fractal patterns.

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