# Multi-age K–2, mathematics, Year A – Unit 08

Explore the big idea that 'what needs to be measured determines the unit of measurement' in this two-week, multi-age sample unit.

## Syllabus

Syllabus outcomes and content descriptors from the 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:

- explore units of measurement
- describe lengths of objects
- describe fractions.

## Syllabus focus area and content groups

**Representing whole numbers – MAO-WM-01, MAE-RWN-01, MAE-RWN-02**

Use the counting sequence of ones flexibly

**Combining and separating quantities – MAO-WM-01, MAE-CSQ-01, MAE-CSQ-02**

- Model additive relations and compare quantities
- Identify part-whole relationships in numbers up to 10

**Geometric measure – MAO-WM-01, MAE-GM-02**

- Use direct and indirect comparisons to decide which is longer
- Create half a length

**Non-spatial measure – MAO-WM-01, MAE-NSM-01, MAE-NSM-02**

Tell time on the hour on analog and digital clocks

**Representing whole numbers – MAO-WM-01, MA1-RWN-01, MA1-RWN-02**

- Part A –Use counting sequences of ones with two-digit numbers and beyond
- Part A – Represent numbers on a line

**Combining and separating quantities – MAO-WM-01, MA1-CSQ-01**

- Part A – Uses advanced count-by-ones strategies to solve addition and subtraction problems
- Part A – Recognise and recall number bonds up to ten
- Part A – Represent and reason about additive relations

**Forming groups – MAO-WM-01, MA1-FG-01**

- Part A – Recognise and represent division
- Part A – Model doubling and halving with fractions

**Two-dimensional spatial structure – MAO-WM-01, MA1-2DS-01**

2D shapes identify and describe the orientation of shapes using quarter turns

**Geometric measure – MAO-WM-01, MA1-GM-02**

- Part A – Measure the lengths of objects using uniform informal units
- Part A – Compare lengths using uniform informal units
- Part B – Subdivide lengths to find halves and quarters
- Part B – Compare and order lengths, using appropriate uniform informal units

**Non-spatial measure – MAO-WM-01, MA1-NSM-01, MA1-NSM-02**

- Part A – Tell time to the half-hour
- Part B – Tell time to the quarter-hour using the language of ‘past’ and ‘to’
- Part B – Describe duration using units of time