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Transformations-Kevin Bond

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James Bond

on 31 October 2013

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Transcript of Transformations-Kevin Bond

Transformations-Kevin Bond
Translations
Moving a shape, without rotating or flipping it. The shape still looks exactly the same.
Rotations
There is a central point that stays fixed and everything else moves around that point in a circle. A "full rotation" is 360 degrees.
Reflection
An image or shape as it would be seen in a mirror. A flip over a line.
Questions
Summary
Transformations
Transormations--moving a shape so that it is in a different position, but still has the same size, area, angles and line length.
Types of transformations
Examples of Translations
Examples of Rotations

Examples of Reflections

The graph on the left shows an example of a transformation. Which transformation is shown?

rotation
translation
reflection in origin
Answer
Reflection in origin
Question
If a reflection in the line y =-x occurs, the the rule for this reflection is?

1) (x,y)----(x,-y)
2) (x,y)----(-x,y)
3) (x,y)----(y,x)
4) (x,y)----(-y,-x)
Answer
4) (x,y)----(-y,-x)
Question
Which transformation turns a figure?
Answer
Rotation
Transformations-same shape, size, and same measurement, BUT different position.

Reflection=mirror line=flip
object vs image

Translation=sliding a shape around
sliding-up/down and/or left/right

Rotation=turn
turn=moving around a point
move=clockwise/counterclockwise
amount of movement=degrees
Video
http://www.bing.com/videos/search?q=videos+of+math+transformations&qs=n&form=QBVR&pq=videos+of+math+transformations&sc=0-18&sp=-1&sk=#view=detail&mid=5D7DC46CDAB95068562A5D7DC46CDAB95068562A
Web Link
http://www.onlinemathlearning.com/transformation-in-geometry.html
MCC9‐12.G.CO.4 Develop definitions of rotations, reflections, and translations in terms of angles, circles,
perpendicular lines, parallel lines, and line segments.

Standard
Full transcript