Learning Map

Adding within 100

Add within 100 using strategies based on place value, including adding a two-digit and one-digit number, and a two-digit and a multiple of 10

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 like '47 + 8' or '35 + 50' by thinking about the tens and ones separately rather than counting up one at a time?

Where this sits on the map

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

Builds on
Addition and subtraction within 20ages 6–7Adding within 100 extends within-20 strategies to larger numbers
The two digits of a two-digit numberages 6–7Adding within 100 using PV requires understanding tens and ones
Adding within 100this skill · ages 6–7
Unlocks
Fluent adding and subtracting within 100ages 7–8Fluency within 100 builds on strategy-based adding within 100
Numbers on a number lineages 6–7Adding within 100 requires choosing number line vs hundred square strategically

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

AC9M3N03medium 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

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

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

NSW syllabus codes & stages only

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

Victorian Curriculum 2.0 codes & levels only

VC2M2N04medium confidenceMathematics · Level 2 · Number strand
VC2M3A02medium 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

All Addition & Subtraction skills →