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Listed under:  Mathematics  >  Geometry  >  Solids (Geometry)
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ABC News: Mapping the sea floor

Hydrographers chart the seabed and coastline, giving ships a map to help them avoid running into underwater trouble. Use this clip as a context for exploring the mapping of the sea floor. Think about scale and how to indicate different depths using contour lines.

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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?

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In a spin

This resource is a web page containing a short task to explore volume of a solid shape. The task involves calculating the volume of the solid formed by rotating a right angled triangle about its hypotenuse A printable resource and solution is also available to support the task. This resource is an activity from the NRICH ...

Online

reSolve: Reasoning With 3D Objects

This sequence of lessons explores symmetry and three dimensional objects. Students interpret and represent three-dimensional objects in two dimensions and apply their knowledge of transformations to show congruency or difference between objects. The lessons are outlined in detail including curriculum links, vocabulary, ...

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reSolve: Bifold Boxes

This lesson challenges students to use proportional reasoning to explain how changing the size of a square will affect the size of a box folded from that square. Students fold an origami box from a square of paper and record the dimensions of the resulting box. They then fold a box from a square of paper four times the ...

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Mixed Up Maths, Ep 13: Shapes glorious shapes

Did you know that not all pyramids have a square base? Investigate the bases and faces of some pyramids. Travel around the world as we view some famous structures. First stop, we're in search of a building that is a rectangular prism. Find out which world famous building is a pentagonal prism. See what type of 3 dimensional ...

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The Third Dimension

This resource is a web page containing a drawing task to explore help visualise 3-D objects. Draw an arrangement of cubes on isometric paper which gives us a way of drawing 3D objects more easily. A link to downloadable isometric paper is also provided. 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

MoneySmart: It's raining cats and dogs...and chickens?

This is a year 6 mathematics unit of work about keeping pets. The unit is intended to take about 12 hours of teaching and learning time, and is recommended for near the end of the school year. It consists of an introduction, seven sets of student activities, and teacher notes. The student activities include building a word ...

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Skeleton Shapes

This resource is a web page containing a practical task to model 3-D objects. The task suggests the use of straws and modelling clay or similar material to create a model of firstly a cube and next other 3-D objects. A printable resource is also available to support the task. This resource is an activity from the NRICH website.

Interactive

Photo hunt: level 4

Explore visual perspectives of solids such as cylinders, spheres, cones and cuboids. Match a 2D photo of a group of 3D objects taken from a different viewpoint. Identify the relative positions of the solids by comparing 2D outlines and colours. Rotate the scene until the view matches the original photo. The solids in the ...

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Indigenous Australians hunting black swans, c1817

This is a 17.5 cm x 27.7 cm watercolour of Indigenous Australian people hunting black swans among reeds near the water's edge of a large river. One man is holding a bird that is trying to escape and three people are spearing birds. At least four other people are almost fully obscured by the reeds. The river is surrounded ...

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Indigenous Australians defending their land, c1817

This is a 17.7 cm x 27.9 cm watercolour showing about 40 Indigenous Australian people attacking a rowboat carrying five colonists. Most of the warriors are on a steep, rocky headland and those close to the water have spears raised. Two appear to be picking up stones while those further up the cliff watch on. About ten Indigenous ...

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Indigenous Australians hunting in trees, c1817

This is a watercolour, measuring 27.8 cm x 17.6 cm, created by Joseph Lycett in about 1817. It features an Indigenous Australian man about 5 metres up the trunk of a eucalypt tree, with his feet and one hand in notches on the trunk. He is holding a small axe in the other hand, ready to cut another notch. Below, a man holding ...

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Indigenous Australian climbing a tree, c1817

This is a watercolour, measuring 27.8 cm x 17.7 cm, created by Joseph Lycett in about 1817. It features an Indigenous Australian man about 2 m up the trunk of a eucalypt tree, with his feet and one hand in notches on the trunk. He is holding a small axe in the other hand, ready to cut another notch, apparently being directed ...

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Indigenous Australian men with weapons, c1817

This is a 17.7 cm x 27.8 cm watercolour of ten men carrying spears, spear throwers and shields as they walk along a dirt path. Some have clubs tucked into loincloths. Another group of five men can be seen further down the grassed hill.

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Indigenous Australians hunting kangaroos, c1817

This is a 17.7 cm x 27.7 cm watercolour of a hunter poised to throw a spear at one of a number of kangaroos; he is lying on his front behind a fallen tree, his head and chest raised and his right arm stretching back ready to throw the spear from a spear thrower. Four other hunters wait behind trees in the distance with ...

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Indigenous Australians spearing eels, c1817

This is a 17.6 cm x 27.7 cm watercolour of two men spearing fish in a river. One has caught an eel on his four-pronged spear. The landscape is heavily vegetated with mountains in the distance and there are rocky outcrops on either side of the river. Large trees frame the image.

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Indigenous Australian family sheltering in a cave, c1817

This is a watercolour, measuring 17.7 cm x 27.7 cm, created by Joseph Lycett in about 1817. It depicts an Indigenous Australian family sheltering from a storm in the entrance of a cave in New South Wales. A man holds a fish and a firebrand and a woman sits on a rock nursing a baby. A third adult squats before a fire, apparently ...

Online

Primary mathematics: open-ended tasks

These seven learning activities, which focus on 'open-ended tasks' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use investigations in order ...