Learning Map
MathematicsAddition & Subtractionusually ages 6–7

Adding two two-digit numbers

Add and subtract two two-digit numbers using concrete objects, pictorial representations, and mental 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 add or subtract two two-digit numbers — like '43 + 28' — using counters, a drawing, or working it out in their head?

Where this sits on the map

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

Builds on
Adding and subtracting tens mentallyages 6–7Adding two two-digit numbers requires ability to add tens to a two-digit number
Mental addition and subtraction (age 6+)ages 6–7Adding two two-digit numbers requires ability to add ones to a two-digit number
Adding two two-digit numbersthis skill · ages 6–7
Unlocks
Mental and written addition and subtractionages 6–7Solving real problems with mental/written methods requires the procedural skill of adding/subtracting two-digit numbers

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

AC9M2N04high confidenceYear 2 · Number

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

AC9M3N03high confidenceYear 3 · Number

add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator

AC9M3N04high confidenceYear 3 · Number

multiply and divide one- and two-digit numbers, representing problems using number sentences, diagrams and arrays, and using a variety of calculation strategies

NSW syllabus codes & stages only

MA2-AR-01high confidenceMathematics K-10 · Stage 2
MA2-RN-02medium confidenceMathematics K-10 · Stage 2

Victorian Curriculum 2.0 codes & levels only

VC2M2N04high confidenceMathematics · Level 2 · Number strand
VC2M3A02high confidenceMathematics · Level 3 · Algebra strand
VC2M3N05medium confidenceMathematics · Level 3 · Number 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

Adding and subtracting tens mentallyages 6–7 Adding Three Small Numbersages 6–7 Adding within 100ages 6–7 Addition and subtraction strategiesages 6–7

All Addition & Subtraction skills →