Stage 1, mathematics, Year B – Unit 24
Smaller numbers can be found hiding in bigger numbers – develops students' knowledge, understanding and skills of place value and how smaller numbers can be found hiding in bigger numbers.
Syllabus
Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022)External link © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.
In this unit students will learn to:
- visualise, estimate, and investigate the structure of groups of 10
- sort, create, recognise, and represent numbers and collections up to 100 in different ways
- ask questions, represent ideas, and record thinking using objects and drawings.
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 numbers on a line
- Represent the structure of groups of ten in whole numbers
- 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
- 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