Mathematics / Year 4 / Measurement and Geometry / Geometric reasoning

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Compare angles and classify them as equal to, greater than, or less than, a right angle (ACMMG089)

Elaborations
  • creating angles and comparing them to a right angle using digital technologies
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Obtuse angles,  Reflex angles,  Right angles,  Acute angles

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Year level 3-4
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Learning area Mathematics

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3 direct matches to ACMMG089

Moving Image

Daredevil geometry

  • TLF-IDM018754

What does a daredevil jumps rider need to know about geometry? Find out as we discover angles for take off and for landing. But before we do that sit down for some angles basics! A good place to start is angles of turn through a circle from a 1/4, 1/2, 3/4, all the way to one full turn. See how many each represents as an angle.

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Interactive Resource

Angles (estimating angle size)

  • TLF-IDM012142

This is a six-page HTML resource about solving problems involving estimating angle size. It contains one video and three questions, two of which are interactive. The resource discusses and explains solving problems to reinforce students' understanding.

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Moving Image

Right angle or acute angle?

  • TLF-IDM020110

What's the difference between a right angle and an acute angle? Find out!

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Collection

Mixed-Up Maths

  • TLF-IDM019368

Join our host, Ed, as he finds himself in all types of situations where only his knowledge of Maths can help him. From saving the planet from Aliens, to creating a superhero that can stop a strawberry milkshake tidal wave. From searching for buried treasure, to jumping like a daredevil, or planning the greatest circus party ...

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