Stage 4 · Area · Develop and use the formula to find the area of circles and sectors to solve problems · Topic: Area & surface area · Year 7, 8
Develop and apply the formula to find the area of a circle: A = πr², where r is the length of the radius
Dot point ID k-10-2022-stage-4-area/are-daf-stg4-01 · NESA code MA_K_10_CP_ARE_DAF_STG4_01 · See it on the NSW Curriculum website ↗
↩SupportBuild the prerequisite skills first · 2 resources★EnrichExtension & rich tasks · 6 resources
Outcomes for this focus area (MA4-ARE-C-01)
MA4-ARE-C-01 applies knowledge of area and composite area involving triangles, quadrilaterals and circles to solve problemsCore resources for this dot point
On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.
Interactive tool
- Interactive toolEnrichmentMathigon: Circles and PiUse it for: Discover π and circle area interactively.
- Interactive toolStarterMathsisfun: Circle area by sectorsUse it for: Rearrange sectors to see why A = πr².
Worksheet
- Corbettmaths practice questions: Area: circlesUse it for: Free printable graded practice questions (with answers) on area: circles for drill or a quick check.
- WorksheetDrillKuta free worksheet: Area and circumference of circlesUse it for: Printable skills-practice sheet with answer key on area and circumference of circles; good for drill or homework.
- WorksheetDrillKuta free worksheet: Circumference and area of circlesUse it for: Printable skills-practice sheet with answer key on circumference and area of circles; good for drill or homework.
Video
- VideoStarterCorbettmaths video: Area: circlesUse it for: Short worked-example video on area: circles to model the method before practice or for flipped revision.
Focus area resources
Checked resources for Area as a whole (not mapped to a single dot point).