http://netvouz.com/xaviermaths/tag/stage4?feed=rss xaviermaths's bookmarks tagged "stage4" on Netvouz http://www.funbrain.com/osa/index.html Can you win the racing game? Choose level first. Pick number from row and solve, [careful] computer chooses as well from column! Number > Computer Lab xaviermaths Wed, 16 Jan 2008 03:31:34 GMT http://nrich.maths.org/public/viewer.php?obj_id=5911&part=index Play against computer or another player (addition subtraction only) http://nrich.maths.org/public/viewer.php?obj_id=5865 (Easire) Number > Computer Lab xaviermaths Mon, 14 Jan 2008 07:00:35 GMT