ACARA AC9M8M01, Area and perimeter of composite shapes
Year 8 · Measurement
Solve problems about the area and perimeter of irregular and composite shapes using suitable units.
Below are free printable maths worksheets that support AC9M8M01. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.
Teach this code
Deliver a whole lesson on AC9M8M01 from a textbook-grade teaching unit, with a hook, worked examples, diagrams, misconceptions, and an exit ticket.
Teaching guide
What students learn
Solve problems about the area and perimeter of irregular and composite shapes using suitable units.
Worked example
An L-shaped room is formed by a 11 by 25 rectangle with a 7 by 12 rectangle cut from one corner. Find its area.
Answer: 191 square units
Why: 11 x 25 - 7 x 12 = 275 - 84 = 191
Generated and checked in code, so it is correct.
Measurement worksheets
All measurement worksheets →Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.