Learning Map

Decimal place value

Round decimals to any place using place-value understanding; round any whole number to a required degree of accuracy

How to tell they’ve got it

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

🖨 Print this page to keep the checklist — it prints beautifully.

Try this together

Can your child round a decimal like 3.748 to one decimal place (3.7) or two decimal places (3.75) — and explain which digit they look at to decide?

Where this sits on the map

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

Builds on
Rounding Large Numbersages 9–10Rounding to any place extends Y5 rounding
Reading and writing numbers (age 10+)ages 10–11Rounding decimals requires reading/writing decimals to thousandths
Decimal place valuethis skill · ages 10–11
Unlocks
Numbers to Ten Millionages 10–11Solving number problems involves rounding
Rounding Answersages 10–11Rounding to specified accuracy requires general rounding skill
Decimal place value (age 11+)ages 11–13Rounding to dp/sf extends Y6 rounding to any place
Estimation to check answers to calculationsages 10–11Determining appropriate accuracy requires rounding skills

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

AC9M6N04high 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

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

AC9M6N06high confidenceYear 6 · Number

multiply and divide decimals by multiples of powers of 10 without a calculator, applying knowledge of place value and proficiency with multiplication facts; using estimation and rounding to check the reasonableness of answers

NSW syllabus codes & stages only

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

Victorian Curriculum 2.0 codes & levels only

VC2M6N04high confidenceMathematics · Level 6 · Number strand
VC2M4N01high confidenceMathematics · Level 4 · Number strand
VC2M6N06high 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

All Number Representation & Place Value skills →