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Symmetry
Similarity
Part 1 (Conditions of Similar Triangles)
Part 2 (Problem Solving)
Areas and Volumes
Part 1 (for Similar Figures)
Part 2 (for nonSimilar Figures)
Symmetry
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Review on Symmetry:
1) Line Symmetry 
http://www.linkslearning.org/Kids/1_Math/2_Illustrated_Lessons/4_Line_Symmetry/index.html
2) When you rotate a figure 360 degrees about a centre of rotation, the order of symmetry will be equivalent to the number of times you get the exact shape.
Rotational Symmetry 
http://www.bbc.co.uk/schools/ks3bitesize/maths/shape_space/symmetry/revise4.shtml
Test yourself:
http://www.bbc.co.uk/schools/gcsebitesize/maths/shapes/symmetryrev3.shtml
(complete the
test bite
and get
10
out of
10
)
3) Plane Symmetry 
http://e2bn.skoool.co.uk/content/keystage3/maths/pc/learningsteps/PLSLC/launch.html
For more interest, the following are some videos on how to make 3D snowflakes; getting some sparks on bright ACE ideas?
S2 Symmetry WS.doc
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1) Line Symmetry 
http://www.linkslearning.org/Kids/1_Math/2_Illustrated_Lessons/4_Line_Symmetry/index.html
2) When you rotate a figure 360 degrees about a centre of rotation, the order of symmetry will be equivalent to the number of times you get the exact shape.
Rotational Symmetry  http://www.bbc.co.uk/schools/ks3bitesize/maths/shape_space/symmetry/revise4.shtml
Test yourself: http://www.bbc.co.uk/schools/gcsebitesize/maths/shapes/symmetryrev3.shtml
(complete the test bite and get 10 out of 10)
3) Plane Symmetry  http://e2bn.skoool.co.uk/content/keystage3/maths/pc/learningsteps/PLSLC/launch.html
For more interest, the following are some videos on how to make 3D snowflakes; getting some sparks on bright ACE ideas?