AC9M3A01
Parents start here
By the end of Year 3: your child knows adding and subtracting undo each other.
- Check 15 + 7 = 22 by calculating 22 − 7 = 15
- Use the inverse to solve: □ + 9 = 14, so □ = 14 − 9 = 5
One skill from the map, ages 6–7 — its page has the rest of the checklist and what comes next. Candidate alignment, machine-suggested and unreviewed (v0.1).
“recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences”
Official source: Australian Curriculum v9 — Mathematics ↗ · Content © ACARA, CC BY 4.0 · unofficial reference — verify at the official site
Other skills on the Learning Map matched to this code — candidate alignments, machine-suggested and unreviewed (v0.1).
high confidence1 skill
5 other candidate matches — 4 medium, 1 low
medium confidence
Finding a missing number in addition
Grouping numbers to add
Adding and subtracting (age 9+)
Money Addition & Subtraction
low confidence
Alignments generated 9 July 2026, unreviewed.
Nearby in the Algebra strand:
AC9M3A02AC9M3A03
Teaching this? Learning Map for teachers has the sequencing view and copy-paste words to send home.