In 2022, in one of his first comments on this blog, Tony Gardiner introduced us to his three Mathsteasers books. These excellent books are extension companions to the (also very good) Maths — No Problem! series of primary school textbooks. The Mathsteasers also contain an appendix, an extended essay by Tony on the philosophy underlying the MNP series and his Mathsteasers companions. Although written in regard to MNP and, more broadly, the English curriculum, Tony’s writing, as always, c...