This is also referred to as amnesia which is a failure to recall information which could arise from a failure to register some occurrence (e.g., from lack of attention), a failure to store it (by a process usually called consolidation), or a failure to retrieve from previously stored memories.
Young children especially with learning difficulties experience memory problems in their day to day tasks. Some characteristic traits include:
Often doesn’t remember what was seen, heard or shown.
Has difficulty with remembering sequences in directions or instructions.