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clarity, confidence and certainty.
MathsBites is based on the NSW syllabus, but it also aligns with every concept your child learns in the Australian Curriculum. Each topic is matched to its NSW equivalent and brought to life through engaging MathsBites videos.
Scroll through to explore everything your child will cover! 
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Stage 2, Part B - Year 4
Whole numbers: Order numbers in the thousands
- Arrange numbers in the thousands in ascending and descending order 
- Recognise and describe how rearranging digits changes the size of a number 
- Identify the nearest thousand, 10 thousand or 100 thousand to numbers 
Representing numbers using place value
Number
AC9M3N01 (Year 3 concept)
 recognise, represent and order natural numbers using naming and writing conventions for numerals beyond 10 000
Whole numbers: Apply place value to partition, regroup and rename numbers up to 6 digits
- Name thousands using the place value grouping of ones, tens and hundreds of thousands 
- Use place value to expand the number notation 
- Partition numbers of up to 6 digits in non-standard forms 
AC9M3N01 (Year 3 concept)
 recognise, represent and order natural numbers using naming and writing conventions for numerals beyond 10 000
AC9M3N07 (Year 3 concept)
 follow and create algorithms involving a sequence of steps and decisions to investigate numbers; describe any emerging patterns
Whole numbers: Recognise and represent numbers that are 10, 100 or 1000 times as large
- Recognise the number of tens, hundreds or thousands in a number 
- Describe how making a number 10, 100 or 1000 times as large changes the place value of digits 
AC9M3N07 (Year 3 concept)
 follow and create algorithms involving a sequence of steps and decisions to investigate numbers; describe any emerging patterns
Decimals: Extend the application of the place value system from whole numbers to tenths and hundredths
- Divide a length representing one whole into 10 equal parts and label the divisions using decimal notation 
- Use the decimal point as a marker to identify the position of the ones digit when expressing tenths as decimals 
- Recognise that 10-tenths is recorded as 1.0 and regroup when using decimal notation 
- Represent and compare tenths as decimals using linear representations 
- Subdivide tenths into 10 equal parts and record hundredths using place value 
- Express decimals as both tenths and hundredths 
- Locate and order decimals representing tenths and hundredths on a number line, describing their relative size 
- Interpret zero digits at the end of a decimal 
- Distinguish between the role of zero in various positions 
AC9M4N01
find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations
Decimals: Make connections between fractions and decimal notation
- Record equivalent measurements using decimals 
- Connect fraction strips showing tenths to a number line marked in hundredths 
- Compare and order decimals of up to 2 decimal places 
- Make connections between fractions and decimal notation for key benchmark values 
AC9M4N01
find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations
AC9M4N02 - explain and use the properties of odd and even numbers – covered in Year 3 concepts
Additive relations
Partition, rearrange and regroup numbers to at least 1000 to solve additive problems
- Use quantity values and non-standard partitioning to solve addition and subtraction problems 
- Model addition with and without regrouping and record the method used 
- Model subtraction with and without regrouping and record the method used 
- Use an algorithm with understanding to record addition and subtraction calculations, where efficient, involving 3-digit numbers 
- Recognise how hundreds are exchanged in subtraction algorithms requiring regrouping 
- Recognise when mental strategies would be more efficient than a vertical algorithm for subtraction 
- Solve subtraction questions with missing digits given the difference 
Number & Algebra
AC9M3N03 (Year 3 concept)
 add and subtract two- and three-digit numbers using place value to partition, rearrange and regroup numbers to assist in calculations without a calculator
 AC9M4N06
 develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder
 AC9M3N07 (Year 3 concept)
 follow and create algorithms involving a sequence of steps and decisions to investigate numbers; describe any emerging patterns
AC9M3A01 (Year 3 concept)
 recognise, represent and order natural numbers using naming and writing conventions for numerals beyond 10 000
Apply addition and subtraction to familiar contexts, including money and budgeting
- Use estimation to check the validity of solutions to addition and subtraction problems, including those involving money 
- Reflect on a chosen strategy for solving a problem, considering whether it can be improved 
- Interpret problems involving money as requiring either addition or subtraction 
AC9M4N07
 choose and use estimation and rounding to check and explain the reasonableness of calculations including the results of financial transactions
Complete number sentences involving additive relations to find unknown quantities
- Calculate missing numbers by completing number sentences involving addition and subtraction 
- Find the missing number in an equivalent number sentence involving operations of addition or subtraction on both sides of the equals sign 
- Create word problems that correspond to given addition and subtraction number sentences 
AC9M4N09
 follow 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
AC9M4A01
 find unknown values in numerical equations involving addition and subtraction, using the properties of numbers and operations
Multiplicative relations
Investigate number sequences involving related multiples
- Generate number patterns using related multiples 
- Investigate number patterns involving related multiples 
Number & Algebra
AC9M4A02
 recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator
AC9M4N08
 use 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
AC9M4A02
 recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator
Use known number facts and strategies
- Apply the known strategy of doubling to connect multiples of 3 to 6 and 4 to 8 
- Use known facts to find unknown multiples 
AC9M4N08
use 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
Use the structure of the area model to represent multiplication and division
- Create and represent multiplicative structure, moving from arrays to partially covered area models 
AC9M4N06
 develop efficient strategies and use appropriate digital tools for solving problems involving addition and subtraction, and multiplication and division where there is no remainder
AC9M4N08
use 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
Use number properties to find related multiplication facts
- Use the commutative property of multiplication 
- Use the associative property within multiplication to regroup the factors 
- Use flexible partitioning within multiplication 
- Generate and recall multiplication fact families up to 10 x 10 
Operate with multiples of 10
- Use multiplication facts with multiples of 10 to multiply a one-digit number by a multiple of 10 
- Use place value to rename groups of 10 to multiply 
- Apply the commutative and associative properties to multiply by multiples of 10 
AC9M4N05
 solve 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
Represent and solve word problems with number sentences involving multiplication or division
- Use the equals sign to record equivalent number relationships involving multiplication 
- Complete number sentences involving multiplication and division by calculating missing numbers 
- Represent and solve multiplication and division (both sharing and grouping) word problems using number sentences 
AC9M4N09
 follow 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
AC9M4A02
recall and demonstrate proficiency with multiplication facts up to 10 x 10 and related division facts; extend and apply facts to develop efficient mental strategies for computation with larger numbers without a calculator
Model equivalent fractions as lengths
- Represent the equivalence of fractions with related denominators as lengths, using concrete materials, diagrams and number lines 
- Recognise the need to have equal wholes to compare partitioned fractions 
- Represent fractions with the same-size whole to make valid comparisons (denominators of 2, 4 and 8; 3 and 6; 5 and 10) 
Partitioned fractions
Number & Algebra
AC9M4N03
 find equivalent representations of fractions using related denominators and make connections between fractions and decimal notation
Represent fractional quantities equal to and greater than one
- Rename 2 halves, 3 thirds, 4 quarters, 5 fifths, 6 sixths, 8 eighths and 10 tenths as one whole 
- Regroup fractional parts beyond one 
- Represent totals of halves, thirds, quarters and fifths that extend beyond one 
- Determine the relative location of one-quarter and one-half when a number line extends beyond one 
AC9M4N04
count by fractions including mixed numerals; locate and represent these fractions as numbers on number lines
Geometric Measure
Position: Create and interpret grid maps
- Create simple maps and plans from an aerial view, labelling grid references 
- Identify and mark locations on maps and plans, given their grid references 
Measurement & Space
AC9M4SP02
 create and interpret grid reference systems using grid references and directions to locate and describe positions and pathways
Position: Use directional language and describe routes with grid maps
- Use a given grid map and compass directions (N, S, E, W) to plan, describe and show a route from one location to another 
- Use natural resources or landmarks to identify north, south, east, west 
- Relate compass directions to amounts of turn 
- Describe a return journey between 2 locations on a grid map 
AC9M4SP02
 create and interpret grid reference systems using grid references and directions to locate and describe positions and pathways
Length: Use scaled instruments to measure and compare lengths
- Select and use an appropriate scaled instrument to measure lengths and distances 
- Select and use an appropriate unit to estimate, measure and compare lengths and distances 
- Recognise the features of a three-dimensional object associated with length that can be measured 
- Use the term perimeter to describe the distance around the boundary 
- Estimate and measure the perimeters of quadrilaterals 
- Convert between metres and centimetres, and between centimetres and millimetres 
- Record lengths and distances using decimal notation to 2 decimal places 
AC9M4N03 
 find equivalent representations of fractions using related denominators and make 
 connections between fractions and decimal notation
AC9M4M01
 interpret unmarked and partial units when measuring and comparing attributes of length, mass, capacity, duration and temperature, using scaled and digital instruments and appropriate units
AC9M4M02
 recognise ways of measuring and approximating the perimeter and area of shapes and enclosed spaces, using appropriate formal and informal units
Angles: Compare angles to a right angle
- Compare angles to a right angle using an informal means 
- Recognise and describe angles as less than, equal to, about the same as or greater than a right angle 
- Describe angles in comparison to quarter-turns as acute, right, obtuse, straight, reflex or a revolution 
- Identify the arms and vertex of an angle where one arm is visible and the other arm is invisible 
AC9M4M04
 estimate and compare angles using angle names including acute, obtuse, straight angle, reflex and revolution, and recognise their relationship to a right angle. 
2D shapes: Create two-dimensional shapes that result from combining and splitting common shapes
- Combine common two-dimensional shapes, including quadrilaterals, to form other common shapes or designs 
- Split a given shape into 2 or more common shapes and describe the result 
- Record the arrangements of common shapes used to create other shapes 
Two-dimensional spatial structure
AC9M4SP01
represent and approximate composite shapes and objects in the environment, using combinations of familiar shapes and objects
Measurement & Space
2D shapes: Create symmetrical patterns and shapes
- Create and record tessellating designs by reflecting, translating and rotating triangles or quadrilaterals 
- Apply and describe amounts of rotation, including half-turns, quarter-turns and three-quarter-turns, when creating designs 
AC9M4SP03
 recognise line and rotational symmetry of shapes and create symmetrical patterns and pictures, using dynamic geometric software where appropriate
Area: Measure the areas of shapes using the grid structure
- Measure the areas of rectangles and right-angled triangles using a square-centimetre grid overlay 
- Estimate the areas of shapes found in the environment using efficient strategies (non-count-by-one) with a grid overlay 
- Recognise that rectangles with different side lengths can have the same area 
AC9M4M02
recognise ways of measuring and approximating the perimeter and area of shapes and enclosed spaces, using appropriate formal and informal units
Area: Compare surfaces using familiar metric units of area
- Estimate before measuring to determine the larger of 2 rectangular areas in square centimetres 
- Estimate before measuring to determine the larger of 2 rectangular areas in square metres 
AC9M4M02
recognise ways of measuring and approximating the perimeter and area of shapes and enclosed spaces, using appropriate formal and informal units
3D objects: Connect three-dimensional objects and two-dimensional representations
- Identify features of prisms and pyramids (faces, vertices and edges) and cylinders (curved/flat surfaces and boundaries) from images 
- Create sketches of rectangular prisms and pyramids, showing depth 
- Create sketches of three-dimensional objects from different views, including top, front and side views 
- Draw different views on isometric grids of an object constructed from connecting cubes 
- Interpret given drawings to make models of three-dimensional objects using connecting cubes 
Three-dimensional spatial structure
Space & Measurement
AC9M3SP01 (Year 3 concept)
 make, compare and classify objects, identifying key features and explaining why these features make them suited to their uses
AC9M3SP02 (Year 3 concept)
 interpret and create two-dimensional representations of familiar environments, locating key landmarks and objects relative to each other
Volume: Use scaled instruments to measure and compare capacities (internal volumes)
- Recognise the need for a formal unit smaller than the litre to measure capacity (internal volume) 
- Use a scaled instrument to relate 1000 millilitres to one litre 
- Relate benchmark values to familiar everyday containers 
- Calibrate a container by marking 100 mL increments to measure capacity (internal volume) to the nearest 100 mL 
- Record capacity (internal volume) using the abbreviation for millilitres (mL) and litres (L) 
- Compare and order the capacities (internal volumes) of 2 or more containers measured in millilitres 
- Estimate the capacity (internal volume) of a container to common benchmark values, such as 250 mL, and check by measuring 
AC9M4M01
 interpret unmarked and partial units when measuring and comparing attributes of length, mass, capacity, duration and temperature, using scaled and digital instruments and appropriate units
Mass: Use scaled instruments to measure and compare masses
- Recognise the need for a formal unit smaller than the kilogram 
- Use a scaled instrument to relate 1000 grams to one kilogram 
- Identify familiar objects that could be measured in grams 
- Measure and record mass in grams (g) using a scaled instrument 
- Compare 2 or more objects by mass measured in kilograms and grams using a set of scales 
- Interpret commonly used fractions of a kilogram, including 1/2, 1/4, 1/3, and relate these to the number of grams 
- Record masses greater than a kilogram using kilograms and grams 
Non-spatial Measure
AC9M3A02 (Year 3 concept)
 extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
AC9M4M01
 interpret unmarked and partial units when measuring and comparing attributes of length, mass, capacity, duration and temperature, using scaled and digital instruments and appropriate units
Measurement
Time: Represent and interpret digital time displays
- Identify situations where duration is measured in seconds 
- Read or set the time on digital devices to the minute or second, recognising there are 60 seconds in one minute 
- Recognise that the hour is read first in a digital display 
- Determine the time remaining until the next hour on a digital clock 
AC9M3A03
 recall and demonstrate proficiency with multiplication facts for 3, 4, 5 and 10; extend and apply facts to develop the related division facts
AC9M4M03
 solve problems involving the duration of time including situations involving “am” and “pm” and conversions between units of time
Time: Use am and pm notation
- Record times using the colon notation with am and pm to distinguish between morning and evening 
- Relate the terms midday or noon and midnight to am and pm 
- Relate analog notation to digital notation for time 
AC9M4M03
 solve problems involving the duration of time including situations involving “am” and “pm” and conversions between units of time
Select and trial methods for data collection
- Create a survey and related recording sheet, considering the appropriate organisation of categories for data collection 
- Refine survey questions as necessary after a small trial 
- Conduct a survey or make observations to collect categorical or numerical data 
- Compare the effectiveness of different methods of collecting and recording data 
Data
AC9M4ST02
 create and compare different graphical representations of data sets including using software where appropriate; interpret the data in terms of the context
AC9M4ST03
 conduct guided statistical investigations involving the collection, representation and interpretation of data for categorical and discrete numerical variables with respect to questions of interest
Statistics
Construct and interpret data displays with many-to-one scales
- Use a given many-to-one scale to represent discrete data in column graphs 
- Use data in a spreadsheet to create column graphs with units on vertical axes that are in multiples 
- Interpret and evaluate the effectiveness of various data displays found in media and in factual texts where displays represent data using a scale of many-to-one 
AC9M4ST01
 acquire data for categorical and discrete numerical variables to address a question of interest or purpose by observing, collecting and accessing data sets; record the data using appropriate methods including frequency tables and spreadsheets
AC9M4ST02
 create and compare different graphical representations of data sets including using software where appropriate; interpret the data in terms of the context
Describe the likelihood of outcomes of chance events
- Use the terms equally likely, likely and unlikely to describe the chance of everyday events occurring 
- Compare the likelihood of obtaining particular outcomes in a simple chance experiment by predicting, conducting the experiment and comparing the results with the prediction 
Chance
Probability
AC9M4P01
 identify practical activities and everyday events involving chance; describe possible outcomes and events as ‘likely’ or ‘unlikely’ and identify some events as ‘certain’ or ‘impossible’ explaining reasoning
AC9M4P01
 identify practical activities and everyday events involving chance; describe possible outcomes and events as ‘likely’ or ‘unlikely’ and identify some events as ‘certain’ or ‘impossible’ explaining reasoning
AC9M4P02
 conduct repeated chance experiments; identify and describe possible outcomes, record the results, recognise and discuss the variation
Identify when events are affected by previous events
- Identify and discuss events where the chance of one event occurring will not be affected by the occurrence of the other. 
- Compare events where the chance of one event occurring is affected by the occurrence of the other. 
It’s a lot, right?
Don’t worry … MathsBites walks you through every single one, so that you are:
- clear on exactly what your child is learning and how to help using the language and strategies they’ll use in class 
- ready to help them work with the maths concepts that are a part of their everyday lives 
- prepared, so when they get ‘stuck’, you can help them through 
- proactive rather than reactive. 
 
        
        
      
    
     
                         
            
              
            
            
          
               
            
              
            
            
          
               
            
              
            
            
          
               
            
              
            
            
          
               
            
              
            
            
          
              