These teaching slides complement Stage 3 Year B of the NSW Mathematics Sample Units of Work, Unit 29, released in 2026.Unit Description:This unit teaches students to compare, describe, name, visualise and construct skeletal models of prisms and pyramids by examining nets and two-dimensional representations. Students will recognise the equivalence of measurements in millilitres and litres and investigate capacities and the volume of irregular solids using displacement, recording measurements usin