Mathematics – Stage 1 – Year A – Unit 1

Collections of ten are really useful – this unit develops student knowledge, understanding, and skills of place value, and how attributes can be used to sort objects.

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:

  • recognise, classify, and sort shapes using obvious features
  • visualise, play, and investigate the base 10 numerical system
  • ask questions, gather data, and represent data with objects and drawings.

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
  • Represent the structure of groups of ten in whole 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
  • Represent and reason about additive relations
  • Form multiples of ten when adding and subtracting two-digit numbers
  • Use knowledge of equality to solve related problems
Two-dimensional spatial structure A– MAO-WM-01, MA1-2DS-01, MA1-2DS-02
  • 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
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, MA1-DATA-02
  • Identify a question of interest and gather relevant data
  • Create displays of data and interpret them

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