Math Slide offers a range of apps for up to 4 players on the  iPad. Players can select a  game  (depending on their ability level), select the number of players and a target appears in the centre of the iPad. The player who drags the correct answer into the middle of the iPad the fastest gains a point. You can download each app for free and play each game twice to see if you like it. Upgrading cost $1.00 and will unlock all the games for unlimited play. Below are some screen captures of two games:

 

 

 

 

 

 

 

 

 

Math Slide 100
Math Slide 1,000
Math Slide addition and subtraction
Math Slide multiplication and division