Talk 4 Number comprises 24 sessions, each lasting about 30 minutes. The sessions help pupils to understand and talk confidently about numbers and calculations in a wide range of contexts and to strengthen their reflective and metacognitive skills. It is delivered to a group of 4 pupils by a trained teaching assistant or teacher, about 3 times a week, for 8 weeks. It is delivered outside the classroom, in addition to pupils’ daily mathematics lessons. Our teaching assistant is supported by a Link Teacher within our school.