#MeasurementAndSpace >[!info]- [Three-dimensional spatial structure A | NSW Curriculum Website](https://curriculum.nsw.edu.au/learning-areas/mathematics/mathematics-k-10-2022/content/stage-3/fa51e61164) MA3-3DS-01 visualises, sketches and constructs three-dimensional objects, including prisms and pyramids, making connections to two-dimensional representations MA3-3DS-02 selects and uses the appropriate unit to estimate, measure and calculate volumes and capacities >[!abstract]- Prior Knowledge >- Three-dimensional Spatial Structure (Stage 2) ## 3D objects: Compare, describe and name prisms and pyramids - Compare properties of prisms and pyramids - Name prisms and pyramids according to the shape of their base ## 3D objects: Connect three-dimensional objects with two-dimensional representations - Visualise and sketch three-dimensional objects from different views, including top, front and side views (Reasons about spatial orientation) - Examine a diagram to determine whether it is or is not the net of a closed 3-dimensional object - Visualise and sketch nets for given three-dimensional objects - Visualise and name prisms and pyramids, given representations of their nets (Reasons about spatial visualisation) ## Volume: Choose appropriate units of measurement for capacity - Select and use appropriate units to measure the capacities of a variety of containers ## Volume: Use displacement to investigate volumes of irregular solids - Recognise that an object’s volume takes up space by observing the change in water level when an object is placed in a container of water - Compare the volumes of 2 or more objects by marking the change in water level when each is submerged in a container ## Volume: Connect decimal representations to the metric system - Recognise the equivalence of whole-number and decimal representations of measurements of capacities - Interpret decimal notation for capacities - Record measurements to 3 decimal places