IGCSE Maths / Transformation and similarity

Describing a single transformation fully revision notes

Edexcel International GCSE Maths (4MA1), chapter 14: Transformation and similarity, specification point 5.2m. Part of the full course.

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To describe a transformation fully, name it and include the extra facts it needs. This earns the marks and helps you give one transformation when the question asks for one.

More lessons in Transformation and similarity

• Lines of symmetry and rotational symmetry
• Equations of common mirror lines
• Reflecting a shape in a line
• Reflecting in y = x and y = -x
• Finding the mirror line from object and image
• What defines a rotation
• Rotating a shape about a point
• Positive and negative rotation angles
• Rotating about a point not on the shape
• What defines a translation
• Translating a shape
• Column vectors in translations
• Congruence under transformations
• Combining two transformations
• What defines an enlargement
• Similarity under enlargement
• Enlarging from a given centre
• Fractional scale factor enlargements
• Finding the centre of enlargement
• Conditions for congruent triangles
• Proving triangles are congruent
• Similar shapes: corresponding lengths
• Area scale factor
• Volume scale factor
• Similar solids, mass and capacity
• Similar shapes problem solving