#MeasurementAndSpace >[!info]- [Geometric measure B | NSW Curriculum Website](https://curriculum.nsw.edu.au/learning-areas/mathematics/mathematics-k-10-2022/content/stage-3/fae314fde1) MA3-GM-01 locates and describes points on a coordinate plane MA3-GM-02 selects and uses the appropriate unit and device to measure lengths and distances including perimeters MA3-GM-03 measures and constructs angles, and identifies the relationships between angles on a straight line and angles at a point >[!abstract]- Prior Knowledge >- [[Geometric Measure A]] ## Position: Use the 4 quadrants of the coordinate plane - Plot and label points, given coordinates, in all 4 quadrants of the number plane - Identify and record the coordinates of given points on the number plane in all 4 quadrants - Describe changes to coordinates when a point is translated or reflected across an axis ## Length: Connect decimal representations to the metric system - Recognise the equivalence of whole-number and decimal representations of measurements of length - Interpret decimal notation for lengths and distances - Record lengths and distances using decimal notation ## Length: Convert between common metric units of length - Use decimal place value system to convert between metres and kilometres - Convert measurements to the same unit to compare lengths and distances - Explain and use the relationship between the size of a unit and the number of units needed ## Length: Solve problems involving the comparison of lengths using appropriate units - Investigate and compare perimeters of rectangles with the same area - Determine the number of different rectangles that can be formed using whole-number dimensions for a given area (Reasons about spatial structure) - Solve a variety of problems involving length and perimeter, including problems involving different units of length ## Angles: Investigate angles on a straight line and angles at a point - Recognise right angles, angles on a straight line and angles at a point embedded in diagrams (Reasons about spatial orientation) - Identify the vertex and arms of angles formed by intersecting lines ## Angles: Investigate the relationships formed by the intersection of straight lines - Identify angle types formed by the intersection of straight lines, including right angles (90°), angles on a straight line (add to 180°) and angles at a point that form an angle of revolution (add to 360°) - Recognise that perpendicular lines intersect at right angles (90°) - Investigate adjacent angles that form a right angle and establish that they add to 90° - Investigate adjacent angles on a straight line and establish that they add to 180° - Investigate angles at a point and establish that they form an angle of revolution and add to 360°