Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
GM4-8GM3-6
New NZC (2026)
NZC26-P4-GEO-SPR-K-Y9-01NZC26-P4-GEO-SHP-K-Y10-02
Resources
- Alpha textbook: Reflection, Ex 26.01, pg 430
- Alpha textbook: Drawing translation, Ex 28.02, pg 478
- CorbettMaths on Symmetry (line and rotational)Questions PDF · Answers
- CorbettMaths on Rotational SymmetryQuestions PDF · Answers
- CorbettMaths - Congruent Shapes Textbook Exercise
Terminology
- Reflection
- Rotation
- Translation
- Line of symmetry
- Order of rotational symmetry
- Congruent
- Corresponding sides and angles
Task goals
- Perform and identify single transformations (reflection, rotation, translation) of simple shapes on a grid.
- Identify lines of symmetry in a given figure.
- Fully describe a given transformation, including the centre and angle of rotation, the equation of the mirror line, or the translation vector as appropriate.
- Determine the order of rotational symmetry of a shape.
- Identify pairs of congruent shapes from a set.
- Combine two or more transformations to map one shape onto another.
- Justify why two shapes are congruent using formal reasoning about equal corresponding sides and angles.
Where this fits
What leads into this objective, and where it goes next.
You are here
Transformations and Congruence: Reflection, Rotation, Translation and Symmetry
Know
A set of points in a plane can be transformed by translation, reflection about a line, and rotation about a fixed point.
Statement▸
Year 9 · Geometry · Spatial reasoning
NZC26-P4-GEO-SPR-K-Y9-01
Next
No further statements exist yet for the next step on this topic in the data.
Also under GM4-8:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.