Glossary
Transformation in general
Translation
Describing translations of points – vectors
Describing translations of figures
Drawing translations
Challenges
Reflection
Describing reflections – mirror lines
Drawing single reflections
Drawing multiple reflections
Line symmetry
Challenges
Mixing it up
Rotation
Describing rotations
1 Finding the angle of rotation
1 Rotations from an attached point
2 Rotations from an unattached point
2 Finding the centre of rotation
Drawing rotations
1 Rotations from an attached point
2 Rotations from an unattached point
Rotational symmetry
Challenges
Mixing it up
Enlargement
Describing enlargements
1 Finding the scale factor
2 Finding the centre of enlargement
Drawing enlargements
Recognising enlargements
Challenges
Mixing it up
Invariant points
Inverse transformations
Mini tasks
Practice tasks
Answers
Charlotte has over 10 years’ experience in teaching Mathematics, the majority of this as Assistant HOD of Mathematics and Dean of Year 9 at Darfield High School. She has also undertaken a year at St Margaret’s – a high decile, girls’ school. Here she focused on teaching the junior levels (including Year 7 and 8).
Victoria has twenty years’ experience in teaching Mathematics and has recently retired as Teacher of Mathematics and Specialist Classroom Teacher at Riccarton High School. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).
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Talented mother-daughter team with many years of combined teaching experience in New Zealand schools.