Lines of symmetry

Complete a simple symmetric figure with respect to a specific line of symmetry

How to tell they’ve got it

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

Given half a butterfly shape and a mirror line, complete the other half on a grid
Complete a symmetric pattern on squared paper with a vertical line of symmetry
Check a completed figure by folding along the mirror line

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Try this together

If you show your child half a shape drawn on squared paper with a mirror line marked, can they draw the missing half so the whole shape is perfectly symmetrical?

Where this sits on the map

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

Builds on

2-D shapes (age 8+)ages 8–10Must identify lines of symmetry before completing symmetric figures

Transformations on a gridages 8–12Completing a symmetric figure requires performing a reflection on a grid accurately

Lines of symmetrythis skill · ages 8–9

Unlocks

Transformations on a Gridages 9–10Completing symmetric figures supports understanding reflection

solid = must come firstdashed = helps

Curriculum alignment

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

Show candidate curriculum codes · 2 ACARA · 3 VIC

Australian Curriculum v9 candidate

AC9M4SP03medium confidenceYear 4 · Space

recognise line and rotational symmetry of shapes and create symmetrical patterns and pictures, using dynamic geometric software where appropriate

AC9M2SP01low confidenceYear 2 · Space

recognise, compare and classify shapes, referencing the number of sides and using spatial terms such as “opposite”, “parallel”, “curved” and “straight”

Victorian Curriculum 2.0 codes & levels only

VC2M4SP04medium confidenceMathematics · Level 4 · Space strand

VC2M2SP01low confidenceMathematics · Level 2 · Space strand

VC2M5SP03low confidenceMathematics · Level 5 · Space 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

2-D shapes (age 8+)ages 8–10 Coordinates (age 8+)ages 8–9 Describing Movementsages 8–9 First Quadrant Coordinatesages 8–9

All Geometry skills →