# Stage 3, mathematics, Year A – Unit 09

This 2-week, Year A unit develops the big idea that what needs to be measured determines the unit of measurement.

Students are provided opportunities to:

• name particular prisms and pyramids using properties of three-dimensional objects by making and exploring models, sketches and diagrams
• use decimal representations to record volume using formal units of litres and millilitres
• explore displacement to investigate volumes of irregular solids.

### Syllabus outcomes and content groups

Represents numbers A – MAO-WM-01, MA3-RN-02

• Decimals and percentages: Recognise that the place value system can be extended beyond hundredths
• Decimals and percentages: Compare, order and represent decimals

Three-dimensional spatial structure A – MAO-WM-01, MA3-3DS-01, MA3-3DS-02

• 3D objects: Compare, describe and name prisms and pyramids
• 3D objects: Connect three-dimensional objects with two-dimensional representations
• Volume: Choose appropriate units of measurement for capacity
• Volume: Use displacement to investigate volumes of irregular solids
• Volume: Connect decimal representations to the metric system

Three-dimensional spatial structure B – MAO-WM-01, MA3-3DS-01

3D objects: Construct prisms and pyramids

## Syllabus

Syllabus outcomes 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.

Category:

• Mathematics (2022)
• Represents numbers
• Stage 3
• Three-dimensional spatial structure
• Unit

Business Unit:

• Curriculum and Reform