# Mathematics – Early Stage 1 – Unit 9

This sample unit explores solving problems by comparing, combining and separating quantities.

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 with opportunities to:

• separate and take away part of a group to determine how many.
• compare 2 or more groups to determine equality or how many more
• combine 2 or more groups to identify the relationship between the parts and the whole

## 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
• Recognise number patterns
• Use the counting sequence of ones flexibly
• Connect counting and numerals to quantities
##### 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
##### Forming groups – MAO-WM-01, MAE-FG-02
• Investigate and form equal groups by sharing
• Record grouping and sharing
##### Data – MAO-WM-01, MAE-DATA-01
• Respond to questions, collect information and discuss possible outcomes of activities
• Organise objects into simple data displays and interpret the displays