# Mathematics – Multi-age – Year B – Unit 8

This sample multi–age unit explores the big idea 'what needs to be measured determines the unit of measurement'.

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 with opportunities to:

• explore transformation
• explore measurement
• use uniform units

### Early Stage 1

##### Representing whole numbers – MAO-WM-01, MAE-RWN-01, MAE-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, 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-02
• Copy, continue and create patterns
##### Geometric measure – MAO-WM-01, MAE-GM-01, MA1-GM-02
• Length: Use direct and indirect comparisons to decide which is longer
• Length: Create half a length
##### Two-dimensional spatial strucutre – MAO-WM-01, MAE-2DS-01, MAE-2DS-02
• 2D shapes: Represent shapes
• Area: Identify and compare area
##### Three-dimensional spatial strucutre – MAO-WM-01, MAE-3DS-01, MAE-3DS-02
• Volume: Compare internal volume by filling and packing
• Volume: Compare volume by building
##### Non-spatial measure – MAO-WM-01, MAE-NSM-01, MAE-NSM-02
• Time: Compare and order the duration of events using the language of time
• Time: Tell time on the hour on analog and digital clocks

### Stage 1

##### Representing whole numbers – MAO-WM-01, MAE-RWN-01, MAE-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
• Part B: Use counting sequences of ones and tens flexibly
• Part B: Form, regroup, and rename three-digit numbers
##### Combining and separating quantities – MAO-WM-01, MA1-CSQ-01
• Recognise and recall number bonds up to 10
##### Forming groups – MAO-WM-01, MA1-FG-01
• Part A: Count in multiples using rhythmic and skip counting
• Part A: Recognise and represent division
• Part B: Represent and explain multiplication as the combining of equal groups
• Part B: Model doubling and halving with fractions
##### Geometric measure – MAO-WM-01, MA1-GM-01, MA1-GM-02, MA1-GM-03
• Length: Measure the lengths of objects using uniform informal units
• Length: Compare lengths using uniform informal units
• Length: Subdivide lengths to find halves and quarters
• Length: Compare and order lengths, using appropriate uniform informal units
##### Two-dimensional spatial strucutre – MAO-WM-01, MA1-2DS-01, MA1-2DS-02
• Part A: 2D shapes: Transform shapes with slides and reflections
• Area: Measure areas using uniform informal units
• 2D shapes: Identify and describe the orientation of shapes using quarter turns
• Area: Compare rectangular areas using uniform square units of an appropriate size in rows and columns
##### Three-dimensional spatial strucutre – MAO-WM-01, MAE-3DS-01, MAE-3DS-02
• Part A: Volume: Measure and compare the internal volumes (capacities) of containers by filling
• Part A: Volume: Measure the internal volume (capacity) of containers by packing
• Part A: Volume: Construct volumes using cubes
• Part B: Volume: Compare containers based on internal volume (capacity) by filling and packing
• Volume: Compare volumes using uniform informal units
##### Non-spatial measure – MAO-WM-01, MA1-NSM-01, MA1-NSM-02
• Part A: Time: Tell time to the half-hour
• Part B: Time: Describe duration using units of time
• Part B: Time: Tell time to the quarter-hour using the language of ‘past’ and ‘to’