Year 1 Mathematics · Australian Curriculum v9
Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies
Content descriptor
Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies.
- Code
- AC9M1N04
- Year level
- Year 1
- Subject
- Mathematics
- Strand
- Number
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Learning intention
We are learning to add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies.
Cloze sentence
Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of strategies.
Related Year 1 Mathematics descriptors
- AC9M1A01Recognise, continue and create pattern sequences, with numbers, symbols, shapes and objects, formed by skip counting, initially by twos, fives and tens
- AC9M1A02Recognise, continue and create repeating patterns with numbers, symbols, shapes and objects, identifying the repeating unit
- AC9M1M01Compare directly and indirectly and order objects and events using attributes of length, mass, capacity and duration, communicating reasoning
- AC9M1M02Measure the length of shapes and objects using informal units, recognising that units need to be uniform and used end-to-end
- AC9M1M03Describe the duration and sequence of events using years, months, weeks, days and hours
- AC9M1N01Recognise, represent and order numbers to at least 120 using physical and virtual materials, numerals, number lines and charts
- AC9M1N02Partition one- and two-digit numbers in different ways using physical and virtual materials, including partitioning two-digit numbers into tens and ones
- AC9M1N03Quantify sets of objects, to at least 120, by partitioning collections into equal groups using number knowledge and skip counting
Mathematics at other year levels
Frequently asked questions
What is AC9M1N04?
AC9M1N04 is a content descriptor in the Year 1 Mathematics curriculum (Australian Curriculum v9, Number strand). It asks students to add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies.
What year level is AC9M1N04?
AC9M1N04 sits in the Year 1 Mathematics curriculum.
How can I create resources for AC9M1N04?
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