Geometric Measures
S3 Angles
Aligned to the NSW Syllabus for The Australian curriculum (https://educationstandards.nsw.edu.au/wps/portal/nesa/home)
- outcomes and content listed below
- outcomes and content listed below
Teachers and Caregivers are advised to review sites, before use, to assess suitability and to monitor advertising.
Design a Golf Course - Australian CurriculumAngles
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Rocket Angles - mathplayground
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Creating Flexagons - auntannie
Classify Angles - studyjams
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Artistic Angles - firstlook
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Alien Attack - mathsframe
Types of Angles - mathsisfun
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Demonstrate Angles - visnos
Angles Interactive Tool - edumedia
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Find the symmetry in these polygons - matific
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Symmetry Sorting - topmarks
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Symmetry Matching - topmarks
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Creating Flexagons - auntannie
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Tessellation Interactive - shodor
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Tessellation Creator - nctm
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Tessellation Town - mathcats
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(angles included in 2D shapes)
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Syllabus Outcomes
MAO-WM-01 Develops understanding and fluency in mathematics through exploring and connecting mathematical concepts, choosing and applying mathematical techniques to solve problems, and communicating their thinking and reasoning coherently and clearly
MA3-GM-03 Measures and constructs angles, and identifies the relationships between angles on a straight line and angles at a point
MA3-GM-03 Measures and constructs angles, and identifies the relationships between angles on a straight line and angles at a point
Content
Geometric measure A
Angles: Estimate, measure and compare angles using degrees
Angles: Investigate angles on a straight line and angles at a point
Angles: Estimate, measure and compare angles using degrees
- Identify the arms and vertex of an angle where both arms are invisible, such as for rotations
- Explain how a protractor is formed and used to measure an angle
- Estimate and describe the size of angles using known angles as benchmarks (Reasons about mental rotation)
- Record angle measurements using the symbol for degrees (°)
- Measure angles of up to 360° using a protractor
- Create angles of up to 360° using a protractor
- Recognise that a right angle is 90°, a straight angle is 180° and an angle of revolution is 360°
- Identify and describe angle size in degrees for the classifications acute, obtuse and reflex
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
- 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°
updated Feb 2023
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