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Listed under:  Mathematics  >  Geometry  >  Shapes (Geometry)
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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Tray Bake

This resource is a web page containing a short task to explore counting patterns. Dominoes are used to make counting patterns, add the next two dominoes that follow the pattern. A printable resource is also available to support the task. This resource is an activity from the NRICH website.

Video

MathXplosion, Ep 42: Maths in nature

Maths can be found in living things and natural structures. Explore mathematical patterns in nature, such as the tessellating hexagonal units of a honeycomb, the bilateral symmetry of a leaf, the radial symmetry of a snowflake and spiderweb, and the number of right or left spirals on a pinecone or pineapple (Fibonacci numbers).

Video

Play School: Buttons and shapes

Have you ever looked at the buttons on your clothes? What shapes are they? You will find that most buttons are circles, but sometimes they can come in really different and interesting shapes, sizes and colours! What are some of the button shapes and colours mentioned in this video?

Video

2D and 3D shapes

Watch this video to learn about the features of 2D shapes. How is it different from the features of 3D shapes (solids)? Some examples of solids that incorporate 2D shapes are mentioned in this video by Sanchit - for example, a cube has six square faces. What other 3D shapes could you make that has at least one square face?

Interactive

Cake time: Peg + cat

Peg and Cat use a pattern to decorate a cake. See what type of pattern they use.

Interactive

Shapes All Around Me

Identify shapes that surround you every day. Look at the bedroom and the playground. What shapes can you see?

Video

MathXplosion, Ep 10: What is the strongest shape?

Are triangles really the strongest shapes ever? If so, why? Learn how and why right-angled and equilateral triangles have been used in engineering, architecture and design through the ages.

Video

Exploring mysterious shapes

Join QuanQuan and Jenny as they explore some weird and wonderful shapes! While watching this clip, think about the sides, edges, surfaces and volumes of the shapes that are demonstrated. How are these shapes different from regular 2D and 3D forms?

Interactive

Cassowary sanctuary

Help a park ranger to arrange fencing in a wildlife sanctuary. Divide common geometric shapes into equal-sized sections for keeping cassowaries. Group the enclosures to form a quarantine zone for sick and injured birds. Then express divisions of the enclosures as fractions. Work through facts about the life of cassowaries: ...

Interactive

Cassowary ecology quiz

Explore facts about the life of cassowaries: physical characteristics; diet; habitat; life cycles; and locations. Interact with graphs to see how much people can help cassowaries. Work through ecology notes and resources. Answer questions as you go; express your answers as fractions. This learning object is one in a series ...

Interactive

Alien life form

Help an alien to understand how plants are adapted to life on Earth. Choose different combinations of leaves, seeds and roots. Design a plant that is best adapted to surviving in a particular environment. Adapt the plant for survival in specific environments: mangroves, cool rainforest, mountain slopes and arid land. ...

Interactive

Shape sorter: polygons

Help sort shapes, in the shape factory. Examine examples of shapes and determine if they belong in the Yes polygon set. Examine examples of shapes that do not belong in the set. Work out what features of the polygon are important and test your ideas by sorting some shapes. Then program the robot and see if it sorts the ...

Interactive

Monster choir: making patterns

Help monsters in a choir to make animal sounds in order. Make a sequence of up to four sounds. Choose monsters so that their sounds match the sequence. Repeat the pattern to make a song.

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Next Domino

This resource is a web page containing a short task to explore counting patterns. Dominoes are used to make counting patterns, add the next two dominoes that follow the pattern. A printable resource is also available to support the task. This resource is an activity from the NRICH website.

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Investigating the Dilution Series

This resource is a web page containing a short task to explore counting patterns. Dominoes are used to make counting patterns, add the next two dominoes that follow the pattern. A printable resource is also available to support the task. This resource is an activity from the NRICH website.

Online

reSolve: Shape: Shadows

This lesson invites students to explore the relationship between three-dimensional objects and common two-dimensional shapes. They are asked to investigate the shape of shadows cast by different three-dimensional objects. They are also asked to consider different perspectives of a single object and how the shadow shapes ...

Online

reSolve: Authentic Problems: Expanded Square

This sequence of four lessons explores concepts around informal area and symmetry. Students design an 'expanded square' where approximately half the area of the original square is flipped to the outside. The lessons provide opportunities for students to devise and use methods to informally measure area, record their mathematical ...

Online

reSolve: Patterns in a circle

This sequence of lessons explores the various possibilities for constructing a circular pattern using different colours. Students decorate party hats using two and then three different coloured pompoms and investigate the combinations that arise. They then create circular patterns using four colours and identify similarities ...

Online

reSolve: Patterns: Attribute Train

This sequence of two lessons explores the similarity and differences of objects based on attributes. The sequence begins by looking at the attributes of colour and shape and then introduces a third attribute of size. Students are asked to determine what an object might look like when one or two of its attributes are changed. ...