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PiXL Club Ltd endeavour to trace and contact copyright owners. If there are any inadvertent omissions or errors in the
acknowledgements or usage, this is unintended and PiXL will remedy these on written notification.
M6c. Can identify and describe 3D shapes using knowledge of properties including number of faces, edges and
vertices
= teacher notes
Teacher information
This resource should be used to support Key Marginal pupils for whom you have completed a PLC. It is designed to be delivered as a teaching activity to a small group or individual in order to fill a gap in their understanding. There is no expectation to use the PowerPoint in its entirety. Choose the methods and resources that suit your school’s approach to place value, counting and calculation.
Use of this resource should form part of normal, day-to-day teaching, as you would do with a guided teaching group. This teaching resource is based on the National Curriculum expectations for Key Stage 1, with a focus on the laser-sharp statements from the PiXL PLC.
LORIC
Our Primary Edge attributes help us to become better learners and today is no exception. Before you start this activity, here are some ideas for how you will need your Olly Organisation skills today:
• Prepare your resources • Sort your shapes• Support one another
Command words:Plan PrepareCreate Organise Design Compile Support Assist
Developing organisational skills
Use this activity to help children develop their organisational skills before you begin the therapy.
Give children a variety of 2D and 3D shapes and ask them to sort them. The children decide their own criteria. When completed ask the children to explain how they sorted them.
If some children sorted them into 2D and 3D shapes, this can be used as a link into the therapy.
What I will be looking for today
You will have lots of chances to demonstrate your organisational skills today. Here’s what I’ll be
looking for:
• Working together as a team
• Preparing our resources
• Sorting your 3D shapes into an order
Teacher information
For this therapy children will benefit from having access to 3D shapes.
3D Shapes
A 3D shape is a solid shape. It has a length, width and height. This means they can be seen all the way around.
The ‘D’ stands for the word dimensional.
3D Shapes
Can you name any of these 3D shapes?
cuboid cylinder cone
triangular pyramid cube square-based pyramid
spheretriangular prism
hexagonal prism
3D Shapes
We can use the properties of a shape to describe or identify it. The properties for 3D shapes include the
number of edges, faces and vertices.
Pick up a square-based pyramid and
count the faces, edges and vertices.
It has 5 faces, 5 vertices and 8 edges.
3D Shapes
A face is the surface of a shape. A face can be curved or flat.
Count the faces of a cuboid. Don’t forget to count the
bottom face.A cuboid has 6 faces.
Count the faces of a cone. It has 1 curved face and 1 circular flat
face.
3D Shapes
An edge is the line segment where two faces of a3D shape meet.
Count the edges of a cube. A cube has 12 edges.
Count the edges of a cylinder. A cylinder has 2 edges.
3D Shapes
A vertex (vertices when there is more than one) is the point where two edges meet.
Count the vertices of a triangular pyramid. It has 4 vertices.
Count the vertices of a hexagonal prism. It has 12 vertices.
vertex
vertex
vertexvertex
3D Shapes
This 3D shape has a curved face and no vertices or edges. Can you guess the shape?
To work it out, first think of 3D shapes with a curved face.
It won’t be the cone or the cylinder as they both have edges. The shape for the clues given is a sphere.
Practise
Which 3D shape has 3 faces? Can you guess which one it is?
3D Shapes
You can also identify 3D shapes by describing the 2D shapes on the surface of the 3D shape.
What 2D shape can you see on the surface of this cube?
A cube has 6 square faces.
3D Shapes
When identifying 2D shapes on the surface of a 3D shape, it can help to imagine the shape flattened out.
It is now very easy to see that a square-based
pyramid has 4 triangular faces and 1 square face.
Practise
Can you name the shape that has 2 triangular faces and 3 rectangular faces?
Can you describe four different properties of this 3D shape?
Practise
Give the children the opportunity to feel 3D shapes. Allow them to try and make the shapes
from play dough or cocktail sticks and putty. Once they have made the shape ask them to
describe the properties of the shape.
Practise
Teacher information
Show Me Tasks
Once the therapy has been delivered you can use Show Me Tasks to demonstrate that the skill is now secure. They are not intended to be completed all at once and ideally should be done in intervals of a few days after the therapy has been delivered. The challenge in the tasks is progressive.
Show Me TasksM6c. Can identify and describe 3D shapes using
knowledge of properties including number of faces, edges and vertices
Amara made a cube using 12 sticks (edges) and 8 balls of clay (vertices). There are 6 sticks left and 4 balls of clay. Is there any other 3D shape she can make?
Kelly is describing a cuboid. This is what she said. Are all of her clues
correct? Explain your answer.
This resource is strictly for the use of member schools for as long as they remain members of The PiXL
Club. It may not be copied, sold nor transferred to a third party or used by the school after membership
ceases. Until such time it may be freely used within the member school. All opinions and contributions
are those of the authors. The contents of this resource are not connected with nor endorsed by any other
company, organisation or institution. PiXL Club Ltd endeavour to trace and contact copyright owners. If
there are any inadvertent omissions or errors in the acknowledgements or usage, this is unintended and
PiXL will remedy these on written notification.
What shape am I?
I have 5 faces and vertices.
I only have 1 face.
I have 1 vertex and 1 edge.
Try to make one of these these shapes.
This shape has 6 faces.It has 8 vertices.It has 10 edges.There are 6 equal rectangular faces.
