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Listed under:  Mathematics  >  Geometry  >  Solids (Geometry)  >  Sides (Polygons)
Video

Types of triangles

What is the difference between equilateral, isosceles and scalene triangles? See if you can find and classify triangles based on the definitions given in this maths video.

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reSolve: Mechanical Linkages: Angles and Lines

This sequence of lessons explores the geometry of angles using real world contexts including the dynamics of folding and joints. Students investigate side lengths and angles, supported by using physical models and computer simulation. There are opportunities to develop geometric language and to highlight how mathematical ...

Video

The Mathscots: Building a Cat Tower

In this animated video, Abacus the cat and Poly the puppy examine and trial different objects to build a cat tower. The mathematical focus is on making, comparing, and classifying familiar objects, using properties of faces; recognising 3-dimensional objects in the environment, and identifying the similarities and differences ...

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New shapes can be made by joining (combining) or partitioning (breaking apart) existing shapes: K–2 Year B – Unit 5

This two-week unit develops student knowledge, understanding, and skills of how new shapes can be made by joining (combining) and breaking apart (partitioning) existing shapes.

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Patterns have something that repeats over and over and over again: K–2 Year B – Unit 2

This two-week unit provides opportunity for students to further develop knowledge, understanding, and skills of two-dimensional shapes and their attributes and properties.

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Objects can be sorted and classified in different ways

This two-week unit develops student knowledge, understanding and skills with 2D shapes, 3D objects, volume, and internal volume (capacity). Students are provided opportunities to: name, describe and represent 2D shapes; explore familiar 3D objects by sorting, stacking, describing, and making representations; recognise that ...

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New shapes can be made by joining or partitioning existing shapes

This 2-week unit develops students' understanding of how new shapes can be made from existing shapes by exploring the attributes of shapes, and by using combination and partitioning. Students learn that: two-dimensional shapes can be made by joining and partitioning existing shapes; shapes have attributes that are necessary ...

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Objects can be sorted and classified in different ways: K–2 Year B – Unit 19

This two-week unit develops student knowledge, understanding and skills with three-dimensional objects, volume and internal volume. Students are provided opportunities to name, classify, compare and describe 2D shapes and 3D objects according to their features; recognise that flat surfaces of 3D objects can be named as ...

Online

Shapes and objects: Year 7 – planning tool

This planning resource for Year 7 is for the topic of Shapes and objects. Students build on their knowledge of two-dimensional shapes. They classify triangles according to their side length (scalene, isosceles, equilateral) and their angle properties (right, acute, obtuse). Students identify and describe different quadrilaterals ...