Learning Map
MathematicsFractionsusually ages 9–10

Comparing Decimals

Compare two decimals to hundredths (or up to three decimal places) by reasoning about size using place-value understanding; record with >, =, <

How to tell they’ve got it

Tick these off as you see them — no test required.

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Try this together

If your child compares 0.45 and 0.54, can they use place value to explain which is bigger — without reaching for a calculator?

Where this sits on the map

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

Builds on
Decimal place value (age 8+)ages 8–9Comparing decimals to 2dp (Y4) is prerequisite to comparing to 3dp
Tenths (age 9+)ages 9–10Thousandths understanding supports comparing decimals to 3dp
Comparing Decimalsthis skill · ages 9–10
Unlocks
Decimals to three placesages 9–10Comparing decimals to 3dp feeds into solving problems with them
Reading and writing numbers (age 10+)ages 10–11Compare decimals to thousandths extends Y5 decimal comparison

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

AC9M5N01high confidenceYear 5 · Number

interpret, compare and order numbers with more than 2 decimal places, including numbers greater than one, using place value understanding; represent these on a number line

AC9M4N01high confidenceYear 4 · Number

recognise and extend the application of place value to tenths and hundredths and use the conventions of decimal notation to name and represent decimals

AC9M6N04medium confidenceYear 6 · Number

apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers

NSW syllabus codes & stages only

MA3-RN-02high confidenceMathematics K-10 · Stage 3
MA2-RN-02high confidenceMathematics K-10 · Stage 2

Victorian Curriculum 2.0 codes & levels only

VC2M5N01high confidenceMathematics · Level 5 · Number strand
VC2M4N01medium confidenceMathematics · Level 4 · Number strand
VC2M6N04medium confidenceMathematics · Level 6 · 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 mixed numbersages 9–10 Adding fractions (different denominators)ages 9–10 Addition and subtraction word problemsages 9–10 Comparing fractions (age 9+)ages 9–10

All Fractions skills →