WALT: Geometry Translations

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Presentation transcript:

WALT: Geometry Translations 9th January 2018 – The Academy WALT: Geometry Translations

Translations 4 3 -5 -4 y My translation is Right 4 and Up 3 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 c’ My translation is Right 4 and Up 3 c We write this as: a’ b’ 4 3 x direction y direction a b x g My next translation is Left 5 and Down 4 f We write this as: d e g’ f’ -5 -4 x direction y direction d’ e’

Translations Rectangle abcd does a translation of 6 -3 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 Rectangle abcd does a translation of 6 -3 d c What are the co-ordinates of a’ b’ c’ and d’ ? a b a’ = (-1, -1) b’ = (2, -1) c’ = (2, 4) d’ = (-1, 4)

Reflect this shape along the line y = -1 Reflections Y 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 Reflect this shape along the line y = -1 c d a b -x x -Y

Reflect this shape along the line x = -2 Reflections Y 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 Reflect this shape along the line x = -2 a e d b c -x x -Y

Reflect this shape along the line y = -5 Reflections Y 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 Reflect this shape along the line y = -5 -x x -Y

Reflect this shape along the line y = x Reflections Y 2 4 5 6 7 8 9 10 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 Reflect this shape along the line y = x -x x -Y