I am having an observation on Monday in a year 4 class mixed ability and can do anything for aproxm1hr. My plan is to do negative numbers, which is in my resources as I couldnt attach to message. Will you give me some feedback? I want it to be excellent to ipress you see. The MA activity is a worksheet and the game is off nrich. I havent got a plenary yet, and am not sure if it is good enough? Thanks!