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Shape: exploring angles and nets of 3D objects

This guide provides a sequence of small steps for learning about angles from measuring with a protractor to exploring angles on a straight line and around a point through to finding angles in triangles, special quadrilaterals and regular polygons. Nets of 3D objects are also explored. Note in this resource objects are often referred to as 3D shapes. It is advised to use the terminology 'objects' when talking about 3D and not 3D shapes as suggested in this resources.

Additional details

Year level(s) Year 5, Year 6
Audience Teacher
Purpose Teaching resource, Teaching strategies
Format Downloadable resources
Teaching strategies and pedagogical approaches Questioning, Explicit teaching
Keywords angles,measure, measure, protractor, regular polygons, problem-solving, explicit teaching

Curriculum alignment

Curriculum connections Numeracy
Strand and focus Measurement, Number, Build understanding
Topics Angles and geometric reasoning, Algebraic expressions, Addition and subtraction, Length, Using units of measurement
AC: Mathematics content descriptions
ACMMG141 Investigate, with and without digital technologies, angles on a straight line, angles at a point and vertically opposite angles. Use results to find unknown angles
National numeracy learning progression Additive strategies
Understanding geometric properties - UGP5, UGP6
Understanding units of measurement

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White Rose Maths

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© 2021 White Rose Maths. Free-for-education material.