Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular...

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1 Match the shapes to the faces. Count faces on 3D shapes 2 Complete the table. Shape Name Number of faces 3 My shape has one curved surface. What shape is Jack describing? © White Rose Maths 2019

Transcript of Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular...

Page 1: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

1 Match the shapes to the faces.

Count faces on 3D shapes 2 Complete the table.

Shape NameNumber of faces

3 My shape has

one curved surface.

What shape is Jackdescribing?

©WhiteRoseMaths2019

Page 2: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

4 Match the description to the shape.

1 circular faceand

1 curved surface

2 circular facesand

1 curved surface

4 triangular faces

5 A cube is the

only 3D shape with 6 faces.

Alex hasmadeamistake.

Nameanother3D shape thathas6 faces.

6 Dexterhas5of the same3D shapes.

In total, my shapes have 10 circular faces.

What shapeshasDextergot?

Dexterhasgot5

7 Dorawants toputa stickeroneach faceofsome cubes.

Shehas60 stickers.

Howmany cubes can she cover in stickers?

Dora can cover cubes in stickers.

©WhiteRoseMaths2019

Page 3: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

1 Howmanyedges doeseach shape have?

a)

edges

b)

edges

c)

edges

d)

edges

Countedgeson3D shapes 2 Complete the table.

Shape NameNumberof edges

Numberof faces

3

3D shapes always have more edges than faces.

Doyouagree?

Why?

©WhiteRoseMaths2019

Page 4: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

4 Use the clues to label the shape with thecorrect letter.

•ShapeAhasan odd numberof edges.

•ShapeBhas themost edges.

•ShapeChas the samenumberof edgesasa cubehas faces.

•The edges of shape Dareall the same length.

5 Write the nameof two3D shapes thathavethe samenumberof edges.

and

6

DoyouagreewithTeddy?

Why?

7 Thishexagonalprismhas18edges.

Howmanyedgesdoyou thinkapentagonalprismhas?

Whydoyou think this?

©WhiteRoseMaths2019

A cube has 6 faces and 12 edges, so a square-based pyramid must have 5 faces and 10 edges. The number of edges is always double the number of faces.

Page 5: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

1 Howmanyverticesdoeseach shape have?

a)

vertices

b)

vertices

c)

vertices

d)

vertices

Countverticeson3D shapes 2 Complete the table.

Shape NameNumber

of vertices

Write thenameofadifferent3D shape withno vertices.

©WhiteRoseMaths2019

Page 6: Count faces on 3D shapes 2 - WordPress.com...2 circular faces and 1 curved surface 4 triangular faces 5 A cube is the only 3D shape with 6 faces. Alex has made a mistake. Name another

3 Write the shapes inorderof thenumber of vertices.

Startwith the shape thathas the fewestvertices.

A B C D

4 Complete the sentences.

more fewer

a) A cubehas vertices than a sphere.

b) A sphere has vertices than a cone.

c) A triangularprismhas

vertices thana cuboid.

5 Matcheach shape to the correct label.

<5 vertices

=5 vertices

>5 vertices

©WhiteRoseMaths2019

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