143ACMMG022 Space • Recognise and classify familiar two-dimensional shapes and three-dimensional objects using obvious features.

3D objects3D objects

How many?

cylinders

cubes cones cubes

spheres

3D objects 2

!

Lab 1Lab 1 geometry diver

AC TM SB Year 1 pp114-151.indd 143 30/05/13 4:29 PM

144

3D objects and faces3D objects and faces

ACMMG022 Shape • Recognise and classify familiar two-dimensional shapes and three-dimensional objects using obvious features.

Faces of 3D objectsFaces of 3D objects

Find and draw around each shape.

circle square

triangle rectangle

Lab 1Lab 1 geometry diver Faces and

edges

AC TM SB Year 1 pp114-151.indd 144 30/05/13 4:29 PM

145ACMMG022 Space • Recognise and classify familiar two-dimensional shapes and three-dimensional objects using obvious features.

1 Colour the shape drawn.

2 Circle objects that have a flat surface that matches.

Faces are flat surfaces.

3D objects and faces3D objects and faces Faces and edges

!

AC TM SB Year 1 pp114-151.indd 145 30/05/13 4:29 PM

146 ACMMG022 Space • Recognise and classify familiar two-dimensional shapes and three-dimensional objects using obvious features.

How many edges? edge

edge edge

edge

3D objects and edges3D objects and edges Faces and edges

!

AC TM SB Year 1 pp114-151.indd 146 30/05/13 4:29 PM

147ACMMG022 Space • Recognise and classify familiar two-dimensional shapes and three-dimensional objects using obvious features.

How many faces?

How many corners?

3D objects – faces and corners3D objects – faces and corners

Challenge! Make your own shapes. Label them.

face corner

Faces and edges

!

AC TM SB Year 1 pp114-151.indd 147 30/05/13 4:29 PM