Properties of geometrical figures A
Mathematics K–10 (2022) · Stage 5 · View this focus area on the NESA NSW Curriculum website ↗
Outcomes
MA5-GEO-C-01 identifies and applies the properties of similar figures and scale drawings to solve problemsContent dot points
Each dot point has its own page with resources matched to it.
Identify and describe the properties of similar figures
- Describe similar figures as having the same shape but not necessarily the same size 2 resources
- Verify and explain that in similar polygons, the corresponding angles are equal and the corresponding side lengths are in the same proportion 2 resources · 1 interactive/game
- Name the vertices in matching order when using the similar symbol (~) in a similarity statement
- Match the corresponding sides and angles of similar polygons 1 resource
Solve problems using ratio and scale factors in similar figures
- Apply an appropriate scale to enlarge or reduce a diagram 3 resources · 1 interactive/game
- Determine the scale factor for pairs of similar polygons and circles 1 resource · 1 interactive/game
- Apply knowledge of scale factor to find unknown sides in similar polygons 3 resources
- Solve problems involving unknown lengths and scale factors of similar figures and related practical problems 1 resource
- Solve problems involving scale drawings, with or without digital tools 2 resources
Focus area resources
- Unit/PlanningStage 5 Unit 1 – geometric representations (sample unit of learning)
- Unit/PlanningStage 5 Unit 9 – surveying (sample unit of learning)
Stage 5 planning resources
Stage- or course-wide documents (scope and sequences, guides) that cover this focus area alongside others.
- Unit/PlanningSample scope and sequence: Stage 5 core and selected paths (NESA no. 03)
- Unit/PlanningSample scope and sequence: Stages 4–5 core and selected paths (NESA no. 04)
- Unit/PlanningSample scope and sequence: Stage 5 core and all paths (NESA no. 05)
- Unit/PlanningSample scope and sequence: Stage 5 core (NESA no. 02)
- Unit/PlanningSample scope and sequence: Stage 5 core and selected paths (NESA no. 06)
- Unit/PlanningSample scope and sequence: Stage 5 core and selected paths (NESA no. 01)
- Unit/PlanningSample scope and sequence: Stages 4–5 stage based (NESA no. 08)
- Unit/PlanningStage 5 – sample scope and sequence
- Unit/PlanningStage 5 – stage based – sample scope and sequence