Stage 4 · Area · Develop and use formulas to find the area of rectangles, triangles and parallelograms to solve problems · Topic: Area & surface area · Year 7, 8
Develop and apply the formula to find the area of a triangle: A = 1/2bh, where b is the base length and h is the perpendicular height
Dot point ID k-10-2022-stage-4-area/are-dau-stg4-02 · NESA code MA_K_10_CP_ARE_DAU_STG4_02 · See it on the NSW Curriculum website ↗
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 toolStarterMaths Is Fun: Area of plane shapesUse it for: Area formulas for common shapes.
Worksheet
- Corbettmaths practice questions: Area: triangleUse it for: Free printable graded practice questions (with answers) on area: triangle for drill or a quick check.
- WorksheetDrillKuta free worksheet: Area of trianglesUse it for: Printable skills-practice sheet with answer key on area of triangles; good for drill or homework.
- WorksheetDrillKuta free worksheet: Understanding the triangle area formulaUse it for: Printable skills-practice sheet with answer key on understanding the triangle area formula; good for drill or homework.
Video
- VideoStarterCorbettmaths video: Area: triangleUse it for: Short worked-example video on area: triangle 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).