Year 3 Mathematics · Australian Curriculum v9
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
Content descriptor
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator.
- Code
- AC9M3A02
- Year level
- Year 3
- Subject
- Mathematics
- Strand
- Algebra
Resources you can generate for AC9M3A02
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Lesson plan
5-part or workshop structure (DOCX)
Worksheet
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PowerPoint slides
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Cloze activity
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Import-ready quiz files
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A sample to start from
Generated from the descriptor as a starting point — edit to suit your class.
Learning intention
We are learning to extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator.
Cloze sentence
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for with larger numbers without a calculator.
Related Year 3 Mathematics descriptors
- AC9M3A01Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
- AC9M3A03Recall and demonstrate proficiency with multiplication facts for \(3, 4, 5\) and \(10\); extend and apply facts to develop the related division facts
- AC9M3M01Identify which metric units are used to measure everyday items; use measurements of familiar items and known units to make estimates
- AC9M3M02Measure and compare objects using familiar metric units of length, mass and capacity, and instruments with labelled markings
- AC9M3M03Recognise and use the relationship between formal units of time including days, hours, minutes and seconds to estimate and compare the duration of events
- AC9M3M04Describe the relationship between the hours and minutes on analog and digital clocks, and read the time to the nearest minute
- AC9M3M05Identify angles as measures of turn and compare angles with right angles in everyday situations
- AC9M3M06Recognise the relationships between dollars and cents and represent money values in different ways
Mathematics at other year levels
Frequently asked questions
What is AC9M3A02?
AC9M3A02 is a content descriptor in the Year 3 Mathematics curriculum (Australian Curriculum v9, Algebra strand). It asks students to extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator.
What year level is AC9M3A02?
AC9M3A02 sits in the Year 3 Mathematics curriculum.
How can I create resources for AC9M3A02?
Enter the learning intention on the Lesson Creator create page and generate a lesson plan, worksheet, slides, cloze activity and quiz aligned to AC9M3A02 — all editable and ready for the classroom.
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