Stage 3, mathematics, Year A – Unit 02
Develop the big idea that addition and subtraction problems can be solved using a variety of strategies with this 2-week unit.
Students are provided with opportunities to:
- explore the connection between additive relations and place value
- recognise and explain the connection between addition and subtraction
- select and explain efficient flexible strategies when solving additive problems.
Represents numbers A – MAO-WM-01, MA3-RN-01
- Whole numbers: Recognise, represent and order numbers in the millions
- Whole numbers: Apply place value to partition, regroup and rename numbers to 1 billion
Additive relations A – MAO-WM-01, MA3-AR-01
- Apply efficient mental and written strategies to solve addition and subtraction problems
- Use estimation and place value understanding to determine the reasonableness of solutions
Additive relations B – MAO-WM-01, MA3-AR-01
Choose and use efficient strategies to solve addition and subtraction problems
Syllabus
Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.