TRANSFORMATIONS by Rose

1
TRANSFORMATIONSby Rose

• REFLECTION (flip)

ROTATION (turn)
TRANSLATION (slide)
2
Click to reflect vertically
R
R
R E F L E C T I O N
R
Click to reflect horizontally
R
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3
reflection
Line of reflection
Click to see the reflection
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reflection
C
D
A hexagon ABCDEF is drawn. Click to see it
reflected in the edge AF
B
E
A
F
Look carefully at the labelling of the diagram.

• What can you say about F and F and A and A ?
• Now draw the hexagon and reflect it in the edge
  BC. Use pen and paper on the document
  Transformations.doc

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R O T A T I O N
Click to see the rotation of the moon crescent
90o through A
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rotation
Click to see the rotation of the green crescent
through 1800
Click again for the next rotation.
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Changing the centre of rotation
Click to start
The centre of rotation is marked with a red dot.
Remember that they both came from this basic
shape!
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rotation
A great way to learn about rotations is to cut
out shapes and practice the turns. Download
the Word document called Rotations.doc with
shapes for you to cut out and turn.
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T R A N S L A T I O N
Click for 1st move
1st move
Final position
Task Slide the rectangle 4 units up AND 5
units to the right
Click for final move
Start at a vertex and move from that point (in
this case bottom left)!
5 right
4 up
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translation
Click to begin
Task Slide the rectangle 3 units right AND 2
units down
3 right
2 down
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Combination transformations
Original
Original
This shape is to be reflected horizontally then
rotated 90o
Final position
1st position
Click to begin
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Exercise What transformation(s) have been used
to obtain these shapes?
1.
3.
Original is coloured yellow
2.
4.
This is the last slide Click to see the show again