For further information, see the booklet Assessment for learning (Ref: 0521-2004) from Excellence and enjoyment (Ref:0518-2004) learning and teaching in the primary years, http://www.standards.dfes.gov.uk/primary/publications/learning_and_teaching/1041163/.
Phase 1
Write simple labels for the parts of a printer, applying phonic knowledge.
Phase 2
Give one step in a sequence of instructions audibly and clearly (feedback from teacher and class).
Phase 3
Write the next in a sequence of instructions, with the support of a partner (teacher feedback).
Write at least two instructions in a well-rehearsed sequence independently (marking, self-assessment against agreed criteria).