AC9M3N03
Parents start here
Your child is learning to add and subtract two-digit numbers, like 43 + 28.
- Calculate 34 + 27 using base-ten blocks or column addition
- Calculate 63 − 28 using a number line or partitioning
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).
“add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator”
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 confidence2 skills
14 other candidate matches — 13 medium, 1 low
medium confidence
Adding Three Small Numbers
Place Value × 10 Pattern
Adding within 100
The three digits of a three-digit number
Adding and subtracting (age 7+)
Mentally adding tens to 3-digit numbers
Subtracting multiples of 10
Mentally adding hundreds to 3-digit numbers
Mental addition and subtraction (age 9+)
Fluent adding and subtracting within 100
Fluent addition and subtraction (age 9+)
Mental addition and subtraction (age 7+)
Adding and subtracting tens mentally
low confidence
Alignments generated 9 July 2026, unreviewed.
Nearby in the Number strand:
AC9M3N01AC9M3N02AC9M3N04AC9M3N05AC9M3N06AC9M3N07
Teaching this? Learning Map for teachers has the sequencing view and copy-paste words to send home.