Missing number problems (age 7+)
Solve addition and subtraction problems including missing-number problems, using number facts, place value, and more complex methods
How to tell they’ve got it
Tick these off as you see them — no test required.
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Try this together
Can your child work out sums with a hidden number — like '? − 38 = 24' or '53 + ? = 91' — by thinking carefully about what the equation is asking?
Where this sits on the map
Stuck here? Check the skills it builds on first. Confident? Here’s what it unlocks.
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 · 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
extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder
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.