Year 6 Maths

Year 6 Maths skills

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Skills are grouped by curriculum strand. Exact Australian Curriculum wording remains available on every card.

Number

9 skills
AC9M6N01

Number

Integers on Number Lines and the Cartesian Plane

Use zero as a reference point to interpret positive and negative integers in finance, position, coordinates, movement and temperature

ExampleDuring a class investigation, a student reasons, “−8 is greater than −3 because 8 is greater than 3”. Which response corrects the error?

Official curriculum wording

recognise situations, including financial contexts, that use integers; locate and represent integers on a number line and as coordinates on the Cartesian plane

AC9M6N02

Number

Prime, Composite and Square Numbers

Use factor structure to classify numbers and simplify calculations

ExampleWhich number is a prime number?

Official curriculum wording

identify and describe the properties of prime, composite and square numbers and use these properties to solve problems and simplify calculations

AC9M6N03

Number

Equivalent Fractions on a Common Number Line

Compare halves, thirds, quarters and related fractions and justify their order

ExampleDuring a class investigation, a student reasons, “Larger denominator means larger value”. Which response corrects the error?

Official curriculum wording

apply knowledge of equivalence to compare, order and represent common fractions including halves, thirds and quarters on the same number line and justify their order

AC9M6N04

Number

Adding and Subtracting Decimals

Use place value, efficient strategies, estimation and digital verification

ExampleDuring a class investigation, a student reasons, “Decimal points not aligned”. Which response corrects the error?

Official curriculum wording

apply knowledge of place value to add and subtract decimals, using digital tools where appropriate; use estimation and rounding to check the reasonableness of answers

AC9M6N05

Number

Adding and Subtracting Fractions

Use equivalent fractions, benchmarks and mixed-number interpretation

ExampleDuring a class investigation, a student reasons, “Numerators and denominators both added”. Which response corrects the error?

Official curriculum wording

solve problems involving addition and subtraction of fractions using knowledge of equivalent fractions

AC9M6N06

Number

Multiplying and Dividing Decimals by Powers of 10

Track changing digit value and factor multiples of ten

ExampleDuring a class investigation, a student reasons, “Add zeros rule used with decimals”. Which response corrects the error?

Official curriculum wording

multiply and divide decimals by multiples of powers of 10 without a calculator, applying knowledge of place value and proficiency with multiplication facts; using estimation and rounding to check the reasonableness of answers

AC9M6N07

Number

Fractions, Decimals and Percentages of Quantities

Find familiar parts, discounts and remaining amounts efficiently

ExampleDuring a class investigation, a student reasons, “Discount amount reported as final price”. Which response corrects the error?

Official curriculum wording

solve problems that require finding a familiar fraction, decimal or percentage of a quantity, including percentage discounts, choosing efficient calculation strategies and using digital tools where appropriate

AC9M6N08

Number

Estimating with Rational Numbers and Percentages

Choose bounds, compatible numbers and safe financial estimates

ExampleDuring a class investigation, a student reasons, “Nearest rounding used automatically”. Which response corrects the error?

Official curriculum wording

approximate numerical solutions to problems involving rational numbers and percentages, including financial contexts, using appropriate estimation strategies

AC9M6N09

Number

Mathematical Modelling with Rational Numbers and Percentages

Formulate, solve, validate and justify practical and financial decisions

ExampleDuring a class investigation, a student reasons, “Every number in the context used”. Which response corrects the error?

Official curriculum wording

use mathematical modelling to solve practical problems involving natural and rational numbers and percentages, including in financial contexts; formulate the problems, choosing operations and efficient calculation strategies, and using digital tools where appropriate; interpret and communicate solutions in terms of the situation, justifying the choices made

Algebra

3 skills
AC9M6A01

Algebra

Growing Patterns and Rational-number Rules

Connect visual growth, term values and direct or recursive rules

ExampleDuring a class investigation, a student reasons, “Rule describes only the next term”. Which response corrects the error?

Official curriculum wording

recognise and use rules that generate visually growing patterns and number patterns involving rational numbers

AC9M6A02

Algebra

Unknown Values with Brackets and Mixed Operations

Use equality, operation properties and inverse reasoning

ExampleDuring a class investigation, a student reasons, “Operations undone in written order”. Which response corrects the error?

Official curriculum wording

find unknown values in numerical equations involving brackets and combinations of arithmetic operations, using the properties of numbers and operations

AC9M6A03

Algebra

Algorithms, Decisions and Emerging Patterns

Create, trace, debug and generalise number-generating processes

ExampleDuring a class investigation, a student reasons, “Only the yes branch defined”. Which response corrects the error?

Official curriculum wording

create and use algorithms involving a sequence of steps and decisions that use rules to generate sets of numbers; identify, interpret and explain emerging patterns

Measurement

4 skills
AC9M6M01

Measurement

Metric Conversions with Decimal Measurements

Choose units, convert by place value and interpret precision

ExampleDuring a class investigation, a student reasons, “Numeral changes in the wrong direction”. Which response corrects the error?

Official curriculum wording

convert between common metric units of length, mass and capacity; choose and use decimal representations of metric measurements relevant to the context of a problem

AC9M6M02

Measurement

Establishing and Applying the Rectangle Area Formula

Connect arrays, multiplication, units and composite practical regions

ExampleDuring a class investigation, a student reasons, “Perimeter formula used”. Which response corrects the error?

Official curriculum wording

establish the formula for the area of a rectangle and use it to solve practical problems

AC9M6M03

Measurement

Timetables, Itineraries and Journey Duration

Plan connected activities and account for waiting, transfer and overnight time

ExampleDuring a class investigation, a student reasons, “Travel times added but waits omitted”. Which response corrects the error?

Official curriculum wording

interpret and use timetables and itineraries to plan activities and determine the duration of events and journeys

AC9M6M04

Measurement

Angle Relationships on Lines and at Points

Use straight, full-turn and vertically opposite relationships to find unknowns

ExampleDuring a class investigation, a student reasons, “Diagram measured instead of relationship used”. Which response corrects the error?

Official curriculum wording

identify the relationships between angles on a straight line, angles at a point and vertically opposite angles; use these to determine unknown angles, communicating reasoning

Space

3 skills
AC9M6SP01

Space

Parallel Cross-sections of Three-dimensional Objects

Predict and recognise how slices relate to an object’s structure

ExampleDuring a class investigation, a student reasons, “Every slice matches the base”. Which response corrects the error?

Official curriculum wording

compare the parallel cross-sections of objects and recognise their relationships to right prisms

AC9M6SP02

Space

Coordinates in Four Quadrants

Locate, transform and reason about points across the Cartesian plane

ExampleDuring a class investigation, a student reasons, “Coordinate order reversed”. Which response corrects the error?

Official curriculum wording

locate points in the 4 quadrants of a Cartesian plane; describe changes to the coordinates when a point is moved to a different position in the plane

AC9M6SP03

Space

Transformations and Tessellations

Combine translations, rotations and reflections without gaps or overlaps

ExampleDuring a class investigation, a student reasons, “Pattern with gaps called tessellation”. Which response corrects the error?

Official curriculum wording

recognise and use combinations of transformations to create tessellations and other geometric patterns, using dynamic geometric software where appropriate

Statistics

3 skills
AC9M6ST01

Statistics

Comparing Categorical and Numerical Data Sets

Interpret distributions using mode, shape, spread and context

ExampleDuring a class investigation, a student reasons, “Ordinal categories treated as equal numerical intervals”. Which response corrects the error?

Official curriculum wording

interpret and compare data sets for ordinal and nominal categorical, discrete and continuous numerical variables using comparative displays or visualisations and digital tools; compare distributions in terms of mode, range and shape

AC9M6ST02

Statistics

Evaluating Statistically Informed Arguments

Check data sources, samples, displays, summaries and claims

ExampleDuring a class investigation, a student reasons, “Any percentage treated as strong evidence”. Which response corrects the error?

Official curriculum wording

identify statistically informed arguments presented in traditional and digital media; discuss and critique methods, data representations and conclusions

AC9M6ST03

Statistics

Planning and Conducting Statistical Investigations

Pose questions, collect representative data and communicate justified findings

ExampleDuring a class investigation, a student reasons, “Question has one fixed answer”. Which response corrects the error?

Official curriculum wording

plan and conduct statistical investigations by posing and refining questions or identifying a problem and collecting relevant data; analyse and interpret the data and communicate findings within the context of the investigation

Probability

2 skills
AC9M6P01

Probability

Probability on a Scale from 0 to 1

Compare events using fractions, decimals and percentages

ExampleDuring a class investigation, a student reasons, “Probability treated as a count”. Which response corrects the error?

Official curriculum wording

recognise that probabilities lie on numerical scales of 0 - 1 or 0% - 100% and use estimation to assign probabilities that events occur in a given context, using common fractions, percentages and decimals

AC9M6P02

Probability

Repeated Chance Experiments and Simulations

Compare observed frequency with expected probability and sample size

ExampleDuring a class investigation, a student reasons, “Expected frequency treated as guaranteed”. Which response corrects the error?

Official curriculum wording

conduct repeated chance experiments and run simulations with an increasing number of trials using digital tools; compare observations with expected results and discuss the effect on variation of increasing the number of trials