# Stage 1, mathematics, Year A – Unit 13

This sample Stage 1 unit introduces students to making and using equal groups.

Students are provided with opportunities to:

• model and use equal groups of objects to represent multiplication
• use arrays to distinguish between the number of groups and the number in each group when describing collections of objects
• solve multiplication and division problems using objects, diagrams, images, and actions.

### Syllabus focus and content groups

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

• Use counting sequences of ones with two-digit numbers and beyond
• Represent the structure of groups of ten in whole numbers

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

• Represent equality

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

• Count in multiples using rhythmic and skip counting
• Use skip counting patterns
• Model and use equal groups of objects to represent multiplication
• Recognise and represent division

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

• Represent and explain multiplication as the combining of equal groups
• Represent multiplication and division problems

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

Mass: Investigate mass using an equal-arm balance

Two-dimensional spatial structure A – MAO-WM-01, MA1-2DS-01, MA1-2DS-02

• Area: Measure areas using uniform informal units
• 2D shapes: Recognise and classify shapes using obvious features

Two-dimensional spatial structure B – MAO-WM-01, MA1-2DS-01, MA1-2DS-02

• 2D shapes: Represent, combine and separate two-dimensional shapes
• Area: Compare rectangular areas using uniform square units of an appropriate size in rows and columns

Three-dimensional spatial structure A– MAO-WM-01, MA1-3DS-01

• 2D shapes: Represent, combine and separate two-dimensional shapes
• Area: Compare rectangular areas using uniform square units of an appropriate size in rows and columns

Three-dimensional spatial structure B– MAO-WM-01, MA1-3DS-01

Volume: Compare volumes using uniform informal units

## 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.

Category:

• Forming groups
• Mathematics (2022)
• Representing whole numbers
• Stage 1
• Unit