Stage 3, mathematics, Year B – Unit 26
This unit develops the big idea that our number system extends infinitely to very large and very small numbers.
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.
Students are provided with opportunities to:
- read, partition, rename, represent and order numbers up to and including billions
- compare, order and represent decimals
- apply place value knowledge and known strategies when solving addition and subtraction problems for whole numbers and decimals.
Represents numbers A – MAO-WM-01, MA3-RN-01, MA3-RN-02
- Whole numbers: Recognise, represent and order numbers in the millions
- Whole numbers: Apply place value to partition, regroup and rename numbers to 1 billion
- Decimals and percentages: Compare, order and represent decimals
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
- Applies known strategies to add and subtract decimals