Space includes 2D and 3D shapes, co-ordinates on the cartesian plane and transformations (reflections, dilations, translations and rotations).
2D and 3D Shapes
Polygon shape sorter - http://illuminations.nctm.org/ActivityDetail.aspx?ID=34
Sort polygons into regular, irregular and quadrilateral table - http://www.crickweb.co.uk/assets/resources/flash.php?&file=quad
Sorting 2D shapes - http://nationalstrategies.standards.dcsf.gov.uk/node/88394
Rainforest Maths (Geometry - 2D shapes) - www.rainforestmaths.com
Free printables - Nets of 3D models to construct - http://www.senteacher.org/Worksheet/12/Nets.xhtml
Try to recognise the three dimensional shapes half-buried in sand in this game: http://www.senteacher.org/FileDetails/1/Cuboids.xhtml (download)
Use a dichotomous key to identify 2D shapes - http://kvo27.com/dichotomous_key_for_shapes.htm
Geometry interactives - http://www.learner.org/interactives/geometry/3d_prisms.html
Isometric paper: http://www.teacherled.com/resources/isodotty/isodottyload.html
Isometric Drawing: http://www.teacherled.com/resources/isodraw/isoshapeload.html
Isometric Shape Exploder: http://www.teacherled.com/resources/isoexplode/isoexplodeload.html
Visualising problems: http://nrich.maths.org/public/monthindex.php?mm=2
Tessellations: http://www.tessellations.org/
Here is a site to create 3D models using Google SketchUp - a free software program.
3D Drawing and geometry
Bitesize geometry: 2D representations of 3D shapes
Links to geometry games.
Name the shape.
BBC Bathroom Tiles - http://www.bbc.co.uk/education/mathsfile/shockwave/games/bathroom.html
Jigsaw Puzzle (size and shape) - http://pbskids.org/cyberchase/games/sizeandscale/sizeandscale.html

Angles - Identify, measure, draw and name.
BBC KS3 Bitesize - (Angles) http://www.bbc.co.uk/schools/ks3bitesize/maths/shape_space/angles/revise1.shtml
BBC KS3 Bitesize - (Parallel Lines) http://www.bbc.co.uk/schools/ks3bitesize/maths/shape_space/parallels/revise2.shtml
Angles and angle terms - http://www.mathleague.com/help/geometry/angles.htm
How do we measure angles? http://www.mathsisfun.com/geometry/degrees.html
Using a protractor http://www.mathsisfun.com/geometry/protractor-using.html
Parallel lines and pairs of Angles http://www.mathsisfun.com/geometry/parallel-lines.html
Naming Angles - http://www.shodor.org/interactivate/discussions/Angles/
Geometry 101 - http://math.about.com/library/weekly/aa031503a.htm
Measuring angles with a protractor (interactive) http://www.mathplayground.com/measuringangles.html


Triangles
Types of triangles - http://www.mathsteacher.com.au/year7/ch09_polygons/01_triangle/tri.htm
Equilateral, Isoceles and Right angled triangles http://www.mathsisfun.com/triangle.html
More triangles - http://www.staff.vu.edu.au/mcaonline/units/geometry/triangles.html

Networks
"
Bridges of Konigsberg" - http://mathforum.org/isaac/problems/bridges1.html

Building bridges - use trianguar sections to construct a bridge. http://www.eduweb.vic.gov.au/dlrcontent/4c31393232/index.html
Circus towers - create patterns using acrobats. http://www.eduweb.vic.gov.au/dlrcontent/4c31393337/index.html
Congruent triangles. http://www.eduweb.vic.gov.au/dlrcontent/4c33353137/ec_002_utah_016

VOICETHREAD: Name the triangle!

Classifying Triangles:

Student created video to show how to find a missing angle in a triangle:

Proof that angles in a triangle add to 180 degrees:

Student created video to show how to caculate the area of a triangle: