Year 3 Mathematics · Australian Curriculum v9
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
Content descriptor
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator.
- Code
- AC9M3N03
- Year level
- Year 3
- Subject
- Mathematics
- Strand
- Number
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Learning intention
We are learning to add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator.
Cloze sentence
Add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in 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
- AC9M3A02Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
- 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
Mathematics at other year levels
Frequently asked questions
What is AC9M3N03?
AC9M3N03 is a content descriptor in the Year 3 Mathematics curriculum (Australian Curriculum v9, Number strand). It asks students to add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator.
What year level is AC9M3N03?
AC9M3N03 sits in the Year 3 Mathematics curriculum.
How can I create resources for AC9M3N03?
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