My son is 9 and we have just built it into our daily routine.
Mornings are easier, but we have some negotiation in the evenings -
usually after a favourite TV programme.
I also treat him to a PS2 game or DVD at each assessment which helps us tick along.
Chris, Mum to Harry (age 11!!)
Started Dore Jan 2007 - Mental Tasks Sept 07
[finished Dore 1st Dec'08!]
My Dore
http://my.dore.co.uk/Default.aspx
DORE PETITION
http://petitions.pm.gov.uk/doreprogramme/