Learning Map
MathematicsMeasurementusually ages 8–9

Area of compound shapes

Recognise area as additive; find areas of rectilinear figures by decomposing into non-overlapping rectangles and summing their areas

How to tell they’ve got it

Tick these off as you see them — no test required.

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Try this together

If your child is given an L-shaped room on squared paper, can they split it into two rectangles, find the area of each part, and add them to get the total area?

Where this sits on the map

Stuck here? Check the skills it builds on first. Confident? Here’s what it unlocks.

Builds on
Understanding angles (age 8+)ages 8–9Must find rectangle areas before decomposing rectilinear figures into rectangles
Area of compound shapesthis skill · ages 8–9
Unlocks
Perimeter of Compound Shapesages 9–10Decomposing rectilinear figures supports finding missing sides for perimeter

solid = must come firstdashed = helps

Curriculum alignment

Candidate matches to official curriculum codes — machine-suggested, unreviewed (v0.1).

Show candidate curriculum codes · 3 ACARA · 2 NSW · 2 VIC

Australian Curriculum v9 candidate

AC9M2A01low confidenceYear 2 · Algebra

recognise, describe and create additive patterns that increase or decrease by a constant amount, using numbers, shapes and objects, and identify missing elements in the pattern

AC9M4M02low confidenceYear 4 · Measurement

recognise ways of measuring and approximating the perimeter and area of shapes and enclosed spaces, using appropriate formal and informal units

AC9M5M02low confidenceYear 5 · Measurement

solve practical problems involving the perimeter and area of regular and irregular shapes using appropriate metric units

NSW syllabus codes & stages only

MA3-2DS-02high confidenceMathematics K-10 · Stage 3
MA3-2DS-03medium confidenceMathematics K-10 · Stage 3

Victorian Curriculum 2.0 codes & levels only

VC2M5M02low confidenceMathematics · Level 5 · Measurement strand
VC2M4M02low confidenceMathematics · Level 4 · Measurement strand

These are candidate alignments generated by semantic matching — machine-suggested and unreviewed (v0.1), not official or verified mappings. For official curriculum content see australiancurriculum.edu.au, curriculum.nsw.edu.au and f10.vcaa.vic.edu.au. Don’t rely on them for registration or compliance purposes.

Nearby on the map

All Measurement skills →