Subtracting multiples of 10
Subtract multiples of 10 (10–90) from multiples of 10 using place value strategies
How to tell they’ve got it
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Try this together
Can your child quickly work out '80 − 50' or '70 − 40' in their head by thinking about how many tens are left?
Where this sits on the map
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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
add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies
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
NSW syllabus codes & stages only
Victorian Curriculum 2.0 codes & levels only
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.