Mathematics / Year 6 / Measurement

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Curriculum content descriptions

identify the relationships between angles on a straight line, angles at a point and vertically opposite angles; use these to determine unknown angles, communicating reasoning (AC9M6M04)

Elaborations
  • using protractors or dynamic geometry software to measure and generalise about the size of angles formed when lines are crossed, and combinations of angles that meet at a point, including combinations that form right or straight angles
  • demonstrating the meaning of language associated with properties of angles, including right, complementary, complement, straight, supplement, vertically opposite, and angles at a point
  • using the properties of supplementary and complementary angles to represent spatial situations with number sentences and solving to find the size of unknown angles
General capabilities
  • Critical and creative thinking Critical and Creative Thinking
  • Numeracy Numeracy
ScOT terms

Vertically opposite angles,  Revolution (Angles),  Straight angles,  Supplementary angles

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