# Stage 2, 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

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:

• partition, rename, represent and order numbers up to 6-digits
• apply place value knowledge to recognise, name and order decimals to hundredths
• identify the relationship between addition and subtraction.

### Syllabus outcomes and content groups

Representing numbers using place value A – MAO-WM-01,MA2-RN-01

• Whole numbers: Read, represent and order numbers to thousands
• Whole numbers: Apply place value to partition and regroup numbers up to 4 digits

Representing numbers using place value B – MAO-WM-01,MA2-RN-01, MA2-RN-02

• Whole numbers: Recognise and represent numbers that are 10, 100 or 1000 times as large
• Decimals: Extend the application of the place value system from whole numbers to tenths and hundredths
• Decimals: Make connections between fractions and decimal notation

Additive relations A – MAO-WM-01, MA2-AR-01

Select strategies flexibly to solve addition and subtraction problems of up to 3 digits

Additive relations B – MAO-WM-01, MA2-AR-01

Partition, rearrange and regroup numbers to at least 1000 to solve additive problems

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