Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
GM6-5
New NZC (2026)
NZC26-P4-GEO-SHP-K-Y10-01NZC26-P4-GEO-SPR-P-Y10-02
Resources
- CorbettMaths on Congruent and Similar ShapesQuestions PDF · Answers
- CorbettMaths on Similar Shapes: Finding SidesQuestions PDF · Answers
Terminology
- similar shapes
- congruent shapes
- scale factor
- corresponding sides
- corresponding angles
- enlargement
- ratio
- proportional
Task goals
- Identify whether two shapes are similar or congruent by comparing corresponding sides and angles.
- Find the scale factor between similar shapes by comparing the lengths of corresponding sides.
- Calculate missing side lengths in similar shapes using scale factors and proportional reasoning.
- Understand that corresponding angles in similar shapes are equal, and corresponding sides are in the same ratio.
- Apply similarity to solve problems involving enlargement and reduction of shapes.
Where this fits
What leads into this objective, and where it goes next.
You are here
Similar shapes
Know
In similar shapes, corresponding angles are equal and the lengths of corresponding sides are proportional.
Statement▸
Year 10 · Geometry · Shapes
NZC26-P4-GEO-SHP-K-Y10-01
Do
Transforming 2D shapes, including composite shapes, by resizing them by any scale factor
Statement▸
Year 10 · Geometry · Spatial reasoning
NZC26-P4-GEO-SPR-P-Y10-02
Also under GM6-5:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.