‘Differentiation’ is one of those ‘slippery’ terms that can mean different things to different people. I often find some of the strategies offered to be a bit incoherent and often question how evidence-based they really are. Here’s a possible alternative way of thinking about differentiation – rooting it to some of the psychology behind individual differences in children’s capacity to process information.
Here’s a fairly straightforward explanation of ‘working memory’ – the ability to hold and manipulate information in mind – and some strategies that might be worth evaluating.
Unfortunately, the evidence appears to suggest that efforts to increase working memory through training are ineffective (e.g. Is Working Memory Training Effective? A Meta-Analytic Review
Indeed, probably the best way to help children is to focus on improving their subject knowledge