Mathematics – Stage 1 – Year B – Unit 21
Collections of ten are really useful – this unit introduces students to the big idea that collections of 10 are really useful.
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.
In this unit students will learn to:
- sort objects and numbers according to their attributes
- notice, wonder, and ask questions about objects and collections
- collect and play informally with objects, such as pattern blocks and counters
- count large collections of objects by grouping them into tens
- collect and analyse data.
Syllabus focus and content group
Representing whole numbers A – MAO-WM-01, MA1-RWN-01, MA1-RWN-02
- Use counting sequences of ones with two-digit numbers and beyond
- Continue and create number patterns
- Represent numbers on a line
- Represent the structure of groups of ten in whole numbers
Representing whole numbers B – MAO-WM-01, MA1-RWN-01, MA1-RWN-02
- Use counting sequences of ones and tens flexibly
- Form, regroup, and rename three-digit numbers
Combining and separating quantities A – MAO-WM-01, MA1-CSQ-01
- Use advanced count-by-one strategies to solve addition and subtraction problems
- Recognise and recall number bonds up to ten
- Use flexible strategies to solve addition and subtraction problems
- Represent equality
Combining and separating quantities B – MAO-WM-01, MA1-CSQ-01, MA1-CSQ-02
- Represent and reason about additive strategies
- Use knowledge of equality to solve related problems
- Form multiples of ten when adding and subtracting two-digit numbers
Two-dimensional spatial structure A– MAO-WM-01, MA1-2DS-01, MA1-2DS-02
- Recognise and classify shapes using obvious features
Two-dimensional spatial structure B– MAO-WM-01, MA1-2DS-01, MA1-2DS-02
- Represent, combine and separate two-dimensional shapes
Data A– MAO-WM-01, MA1-DATA-01, MA1-DATA-02
- Ask questions and gather data
- Represent data with objects and drawings and describe the displays
Data B– MAO-WM-01, MA1-DATA-01
- Identify a question of interest and gather relevant data
- Create displays of data and interpret them