Year 3 Mathematics · Australian Curriculum v9
Estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations
Content descriptor
Estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations.
- Code
- AC9M3N05
- Year level
- Year 3
- Subject
- Mathematics
- Strand
- Number
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Learning intention
We are learning to estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations.
Cloze sentence
Estimate the quantity of objects in collections and make estimates when solving problems to determine the of calculations.
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 AC9M3N05?
AC9M3N05 is a content descriptor in the Year 3 Mathematics curriculum (Australian Curriculum v9, Number strand). It asks students to estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations.
What year level is AC9M3N05?
AC9M3N05 sits in the Year 3 Mathematics curriculum.
How can I create resources for AC9M3N05?
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