# Mathematics – Early Stage 1 – Unit 17

This two-week unit develops student knowledge, understanding and skills in determining what needs to be measured and the unit of measurement needed.

Mathematics K-2 Syllabus © 2021 NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales.

Students are provided opportunities to:

• use comparative language to describe length
• identify and compare the area of similar shapes using comparative language
• compare internal volume by filling and packing
• predict, identify and compare mass by hefting
• communicating their thinking to others

## Syllabus focus and content group

### Early Stage 1

##### Representing whole number – MAO-WM-01, MAE-RWN-01, MAE-RWN-02
• Instantly name the number of objects within small collections
• Use the counting sequence of ones flexibly
• Recognise number patterns
• Connect counting and numerals to quantities
##### Geometric measure – MAO-WM-01, MAE-GM-02
• Length: Use direct and indirect comparisons to decide which is longer
##### Two-dimensional spatial structure – MAO-WM-01, MAE-2DS-02
• Area: Identify and compare area
##### Three-dimensional spatial structure – MAO-WM-01, MAE-3DS-02
• Volume: Compare internal volume by filling and packing
• Volume: Compare volume by building
##### Non-spatial measure – MAO-WM-01, MAE-NSM-01
• Mass: Identify and compare mass using weight