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Year 3 · Mathematics · Number

AC9M3N07

follow and create algorithms involving a sequence of steps and decisions to investigate numbers; describe any emerging patterns

The content description above is Australian Curriculum, Assessment and Reporting Authority (ACARA)’s own wording, reproduced unmodified from the Australian Curriculum v9.0, read in August 2026, and licensed CC BY 4.0.

© Australian Curriculum, Assessment and Reporting Authority (ACARA) 2010 to present, unless otherwise indicated. This material was downloaded from the Australian Curriculum website and was not modified. ACARA does not endorse this product and is not affiliated with it.

Taught alongside it

The rest of Number in Year 3.

AC9M3N01

recognise, represent and order natural numbers using naming and writing conventions for numerals beyond 10 000

AC9M3N02

recognise and represent unit fractions including \(\frac12\), \(\frac13\), \(\frac14\), \(\frac15\) and \(\frac1{10}\) and their multiples in different ways; combine fractions with the same denominator to complete the whole

AC9M3N03

add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator

AC9M3N04

multiply and divide one- and two-digit numbers, representing problems using number sentences, diagrams and arrays, and using a variety of calculation strategies

AC9M3N05

estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations

AC9M3N06

use mathematical modelling to solve practical problems involving additive and multiplicative situations including financial contexts; formulate problems using number sentences and choose calculation strategies, using digital tools where appropriate; interpret and communicate solutions in terms of the situation

The same idea, year by year

Where AC9M3N07 comes from and where it goes, for a student working below or above Year 3.

  1. Year 2AC9M2N01recognise, represent and order numbers to at least 1000 using physical and virtual materials, numerals and number lines
  2. Year 2AC9M2N02partition, rearrange, regroup and rename two- and three-digit numbers using standard and non-standard groupings; recognise the role of a zero digit in place value notation
  3. Year 2AC9M2N03recognise and describe one-half as one of 2 equal parts of a whole and connect halves, quarters and eighths through repeated halving
  4. Year 2AC9M2N04add 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
  5. Year 2AC9M2N05multiply and divide by one-digit numbers using repeated addition, equal grouping, arrays, and partitioning to support a variety of calculation strategies
  6. Year 2AC9M2N06use mathematical modelling to solve practical problems involving additive and multiplicative situations, including money transactions; represent situations and choose calculation strategies; interpret and communicate solutions in terms of the situation
  7. Year 4AC9M4N01recognise and extend the application of place value to tenths and hundredths and use the conventions of decimal notation to name and represent decimals
  8. Year 4AC9M4N02explain and use the properties of odd and even numbers
  9. Year 4AC9M4N03find equivalent representations of fractions using related denominators and make connections between fractions and decimal notation
  10. Year 4AC9M4N04count by fractions including mixed numerals; locate and represent these fractions as numbers on number lines
  11. Year 4AC9M4N05solve problems involving multiplying or dividing natural numbers by multiples and powers of 10 without a calculator, using the multiplicative relationship between the place value of digits
  12. Year 4AC9M4N06develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder
  13. Year 4AC9M4N07choose and use estimation and rounding to check and explain the reasonableness of calculations including the results of financial transactions
  14. Year 4AC9M4N08use mathematical modelling to solve practical problems involving additive and multiplicative situations including financial contexts; formulate the problems using number sentences and choose efficient calculation strategies, using digital tools where appropriate; interpret and communicate solutions in terms of the situation
  15. Year 4AC9M4N09follow and create algorithms involving a sequence of steps and decisions that use addition or multiplication to generate sets of numbers; identify and describe any emerging patterns

Planning against AC9M3N07?

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