Learning Map
MathematicsAddition & Subtractionusually ages 6–7

Mental addition and subtraction (age 6+)

Add and subtract a two-digit number and ones mentally and using concrete/pictorial representations

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 '36 + 7' or '42 − 5' in their head — keeping the tens in place and only adjusting the ones?

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 subtractingages 5–6Adding ones to a two-digit number extends Y1 adding within 20
The two digits of a two-digit numberages 6–7Adding ones to two-digit numbers requires understanding tens and ones
Mental addition and subtraction (age 6+)this skill · ages 6–7
Unlocks
Adding two two-digit numbersages 6–7Adding two two-digit numbers requires ability to add ones to a two-digit number

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

AC9M3A02medium confidenceYear 3 · Algebra

extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator

AC9M2N04medium 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

AC9MFN05medium confidenceFoundation · Number

represent practical situations involving addition, subtraction and quantification with physical and virtual materials and use counting or subitising strategies

NSW syllabus codes & stages only

MA2-AR-01high confidenceMathematics K-10 · Stage 2
MAE-CSQ-01low confidenceMathematics K-10 · Early Stage 1

Victorian Curriculum 2.0 codes & levels only

VC2M3A02medium confidenceMathematics · Level 3 · Algebra strand
VC2M2N04medium confidenceMathematics · Level 2 · Number 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 two two-digit numbersages 6–7 Adding within 100ages 6–7

All Addition & Subtraction skills →