How do we make John Hattie’s “Visible Learning” work in maths?

Visible Learning is John Hattie’s mantra. I’ve written previously about being a big fan of Hattie’s work about what affects achievement. He’s collected just about every piece of academic research and collated a ranked taxonomy of ¬†factors that affect achievement. Visible Learning is his suggested approach to teaching in a way that incorporates many of the significant drivers of achievement....