Transformations (OCR GCSE Maths): Flashcards
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Practise the cards
15 cards from this deck
What are the four types of transformations?
What are the four types of transformations?
Translation, Rotation, Reflection, Enlargement
What is a translation?
What is a translation?
Movement in a straight line using a vector
How to describe a translation
How to describe a translation
Specify the vector that defines the movement
What is a reflection?
What is a reflection?
Object flipped across a specific line (mirror line)
What does reflection produce?
What does reflection produce?
Mirror image (exact replica on other side of line)
Key property of points in reflection
Key property of points in reflection
Same distance from line of reflection as original
What to specify when describing a reflection
What to specify when describing a reflection
Equation of the line of reflection
What is a rotation?
What is a rotation?
Turning a shape around a specific point
Three details needed to describe a rotation
Three details needed to describe a rotation
Centre of rotation, direction, and angle
Typical angles of rotation
Typical angles of rotation
, , or
Special property of rotation
Special property of rotation
Direction (clockwise or anti-clockwise) does not matter
What is an enlargement?
What is an enlargement?
Changes size of shape while preserving proportions
Effect of scale factor greater than
Effect of scale factor greater than
Shape gets larger
Effect of scale factor between and
Effect of scale factor between and
Shape gets smaller
Two details needed to describe an enlargement
Two details needed to describe an enlargement
Centre of enlargement and scale factor
