Grrrrrrr.
I have checked and checked his concepts, his understanding, and his rote ability and it's obvious he has had this skill for quite some time and yet his teachers are saying that this is his target until Christmas.
Why can't they see what I see? What more is there to it?
'ds' if there are 10 lanes on a motorway and 4 are going in one direction, how many are going in the other direction?' Correct reply.
'ds' which two groups of beads go together to make a group of 10?' Correct reply?
'ds what is 10 - 5?' correct answer
Why are we so out of sync?
fwiw he has ASD, - but I'm not sure that is relevant here.