These teaching slides complement Stage 2 Year A of the NSW Mathematics Sample Units of Work, Unit 6, released in 2026. Unit Description: This unit develops students’ understanding of whole numbers by reading, representing, and ordering numbers up to the thousands, in standard and non-standard place value forms. Students deepen their understanding of addition and subtraction strategies and inverse operations. NSW Outcomes:MA2-RN-01 applies an understanding of place value and the role of zero