This a mastery exercise for solving linequalities with linear expressions on both sides, presented as a game. Enjoy chasing the blobs!
Game simulation is modified from Daniel Mentrards work at [url]http://tube.geogebra.org/m/18528[/url] which is now a broken link.
It originates from [url]http://dmentrard.blogspot.sg/2015/11/addition-balloon-for-children.html[/url]