Justifying mathematical reasoning (age 8+)
Construct and present multi-step mathematical arguments; critique the reasoning of others and explain clearly why a method works or fails
How to tell they’ve got it
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Try this together
If a classmate claims "you can't multiply a fraction and get a bigger answer", can your child think through whether that's always true — and give an example to support or challenge the claim?
Where this sits on the map
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Curriculum alignment
Candidate matches to official curriculum codes — machine-suggested, unreviewed (v0.1).
Show candidate curriculum codes · 3 ACARA · 2 NSW · 3 VIC
Australian Curriculum v9 candidate
add and subtract one- and two-digit numbers, representing problems using number sentences and solve using part-part-whole reasoning and a variety of calculation strategies
recall and demonstrate proficiency with multiplication facts for 3, 4, 5 and 10; extend and apply facts to develop the related division facts
recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts
NSW syllabus codes & stages only
Victorian Curriculum 2.0 codes & levels only
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.