Mathematics – Multi-age – Year B – Unit 16
This two-week unit develops student knowledge and skills in understanding different situations where addition, subtraction, multiplication and division can be used.
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 opportunities to:
- investigate the 4 operations through problem solving
- explore the relationship between different operations and inverse operations
- engage in meaningful activities using repeated halving and doubling (Stage 1).
Syllabus focus and content group
Representing whole numbers – MAO-WM-01, MAE-RWN-01, MA1-RWN-01 MAE-RWN-02, MA1-RWN-02
- Instantly name the number of objects within small collections
- Use the counting sequence of ones flexibly
- Recognise number patterns
- Connect counting and numerals to quantities
Combining and separating quantities – MAO-WM-01, MAE-CSQ-01, MA1-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-01, MA1-FG-01, MAE-FG-02
- Investigate and form equal groups by sharing
- Record grouping and sharing
Representing whole numbers A
- Represent numbers on a line
- Represent the structure of groups of ten in whole numbers
Representing whole numbers B
- Use counting sequences of ones and tens flexibly
- Form, regroup, and rename three-digit numbers
Combining and separating quantities A
- 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
- 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
Forming groups A
- 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
- Represent and explain multiplication as the combining of equal groups
- Model doubling and halving with fractions
- Represent multiplication and division problems