## Digital Learning Objects

## Level 1

## Cassowary Fractions

**Cassowary Fractions** allows users to explore half and quarter in context.

Cassowary fractions

## Number Line

**Number Line** helps users to record how they solve addition and subtraction problems using a number line.

Number Line

## Number Trains

**Number Trains** asks users to place numbers in order to form 'trains'.

Number trains: numbers 1 to 10

Number trains: numbers 1 to 20

Number trains: numbers 30 to 50

Number trains: numbers 90 to 120

Number trains: skip counting

Number trains

## Scale Matters

**Scale Matters** helps users explore numberlines with a variety of scales.

Scale matters: ones

## The Number Partner

**The Number Partner** helps users find the pairs of numbers that add together to make numbers from 10 to 30.

The number partner

## Level 2

## Dynamic Tools

**Dynamic Tools** helps users explore fractions of shapes and grids.

Shape fractions

Dynamic fractions

## Number Line

**Number Line** helps users to record how they solve addition and subtraction problems using a number line.

Number Line

## Scale Matters

**Scale Matters** helps users explore numberlines with a variety of scales.

Scale matters: tens

Scale matters: hundreds

Scale matters: simple units

## The Difference Bar

**The Difference Bar** helps users solve subraction problems by partitioning and comparing.

The difference bar: make your own easy subtractions

The difference bar: generate easy subtractions

Difference bars

## The Part Adder

**The Part Adder** helps users add numbers by partitioning and combining.

The part-adder: make your own easy sums

The part-adder: generate easy sums

The part-adder

## The Take-Away Bar

**The Take-Away Bar** helps users solve subraction problems by partitioning.

The take-away bar: make your own easy subtractions

The take-away bar: generate easy subtractions

Take-away bars

## Wishball

**Wishball** is a game involving addition and subtraction with place value.

Wishball: tens

Wishball: hundreds

Wishball challenge: tens

Wishball challenge: hundreds

## Modeling numbers: 3-digit numbers

**Modeling Numbers **helps users to explore numbers using a variety of representations.

Modeling Numbers: 3-digit numbers

## Place Value Blocks

**Place Value Blocks **allows users to build numbers with 1s, 10s, 100s and 1000s blocks.

Place Value Blocks

## Addition and Subtraction Basic Facts

**Addition and Subtraction Basic Facts **helps users to fill the gaps in their addition and subtraction basic facts.

An updated version of this Learning Object is available in e-ako maths. The stand-alone version is no longer available.

## Level 3

## Decimaster

**Decimaster** requires users to represent fractions and decimals in various different ways.

Decimaster: match-up 1

Decimaster: match-up 2

Decimaster: match-up 3

Decimaster plus: match-up 1

Decimaster plus: match-up 2

Decimaster plus: match-up 3

Decimaster group: match-up 1

Decimaster group: match-up 2

Decimaster group: match-up 3

## Design Briefs

**Design Briefs** explores fractions and decimals in the context of proportions of areas.

Design a park

Design your own park

Park fractions

## Divide It Up

**Divide It Up** helps users explore grouping to solve division problems.

Divide it up: kittens

Divide it up: hardware

Divide it up: puppies

Divide it up: grouping tool

Divide it up: sharing tool

## Fraction Fiddle

**Fraction Fiddle** helps users explore problems involving fractions.

Fraction fiddle: matching cake fractions

Fraction fiddle: hit the apple

Fraction fiddle: shoot the hoop

Fraction fiddle: reach the target

## Number Line

**Number Line** helps users to record how they solve addition and subtraction problems using a number line.

Number Line

## Pobble Arrays

**Pobble Arrays** uses an array model to explore factors and multiples.

Pobble arrays: make multiples

Pobble arrays: find a factor

Pobble arrays: find two factors

## Scale Matters

**Scale Matters** helps users explore numberlines with a variety of scales.

Scale matters: tenths

Scale matters: tens of thousands

Scale matters: hundredths

Scale matters: range of numbers

## Squirt

**Squirt** helps users explore and express proportional relationships.

Squirt: two containers: level 1

Squirt: two containers: level 2

Squirt: two containers

## The Difference Bar

**The Difference Bar** helps users solve subraction problems by partitioning and comparing.

The difference bar: make your own hard subtractions

The difference bar: generate hard subtractions

Difference bars

## The Multiplier

**The Multiplier** helps users solve multiplication problems by partitioning and combining.

The multiplier: make your own easy multiplications

The multiplier: generate easy multiplications

The multiplier

## The Part Adder

**The Part Adder** helps users add numbers by partitioning and combining.

The part-adder: make your own hard sums

The part-adder: generate hard sums

The part-adder

## The Take-Away Bar

**The Take-Away Bar** helps users solve subraction problems by partitioning.

The take-away bar: make your own hard subtractions

The take-away bar: generate hard subtractions

Take-away bars

## Wishball

**Wishball** is a game involving addition and subtraction with place value.

Wishball: whole numbers

Wishball: tenths

Wishball: hundreths

Wishball: thousandths

Wishball: ultimate

Wishball challenge: whole numbers

Wishball challenge: tenths

Wishball challenge: hundredths

Wishball challenge: thousandths

Wishball challenge: ultimate

## Modeling numbers: 6-digit numbers

**Modeling Numbers **helps users to explore numbers using a variety of representations.

Modeling Numbers: 6-digit numbers

## Multiplication and Division Basic Facts

**Multiplication and Division Basic Facts **helps users to fill the gaps in their multiplication and division basic facts.

An updated version of this Learning Object is available in e-ako maths. The stand-alone version is no longer available.

## Place Value Addition

**Place Value Addition** provides a resource for illustrating addition problems using place value equipment.

Place Value Addition

## Place Value Subtraction

**Place Value Subtraction **provides a resource for illustrating subtraction problems using place value equipment.

Place Value Subtraction

## Level 4

## Arrays

**Arrays** explores the array model for multiplication and division.

Arrays: factor families

Arrays: word problems with products from 10 to 30

Arrays: word problems with products from 30 to 50

Arrays: word problems with products from 35 to 64

Arrays: the tool

## Design Briefs

**Design Briefs** explores fractions and decimals in the context of proportions of areas.

Design a school

Design your own school

Playground percentages

Design a neighbourhood

Design a city

Design a farm

Neighbourhood fractions

## Drive

**Drive** helps users solve proportional problems with distance and time.

Drive: easy problems

## Integer Cruncher

**Integer Cruncher** introduces the addition and subtraction of positive and negative integers.

Integer cruncher: addition

Integer cruncher: subtraction

Integer cruncher: addition and subtraction

## Loans and Savings

**Loans and Savings** helps users find the nett balance of a loan account and a savings account.

Loans and Savings

## Mix Up

**Mix Up** helps users find averages of percentages.

Mix Up: equal sized

Mix Up: different sized

## The Percentage Bar

**The Percentage Bar** helps users find percentages of numbers.

The Percentage Bar

## Scale Matters

**Scale Matters** helps users explore numberlines with a variety of scales.

Scale matters: negatives

Scale matters: range of numbers

## School Canteen

**School Canteen** provides a context for estimation and multiplication with decimals.

School canteen: restock: level 1

School canteen: best buy: level 1

School canteen: two traders: level 1

School canteen: estimate and check: level 1

School canteen: restock : level 2

School canteen: best buy: level 2

School canteen: two traders: level 2

School canteen: estimate and check: level 2

## Squirt

**Squirt** helps users explore and express proportional relationships.

Squirt: three containers: level 1

Squirt: three containers: level 2

Squirt: three containers

Squirt: three containers: complex proportional relationships

## The Divider

**The Divider** helps users solve division problems by partitioning.

The divider: without remainders

The divider: whole number remainders

The divider: solve your own problem

The divider: with or without remainders

## The Fraction Bar

**The Fraction Bar** helps users find fractions of numbers.

The Fraction Bar

## The Fractions of Fractions Tool

**The Fractions of Fractions Tool** helps users find fractions of fractions using an array model.

The Fractions of Fractions Tool

## The Multiplier

**The Multiplier** helps users solve multiplication problems by partitioning and combining.

The multiplier: make your own hard multiplications

The multiplier: generate hard multiplications

The multiplier

## Modeling numbers: decimals

**Modeling Numbers **helps users to explore numbers using a variety of representations.

Modeling Numbers: decimals

## Level 5

## Biscuit Factory

**Biscuit Factory** explores ratio relationships in the context of gears.

Biscuit factory: ratios

Biscuit factory: complex ratios

Biscuit factory: directions

Biscuit factory: create a two-gear system

Biscuit factory: create a three-gear system

Biscuit factory: gears and speed

## Drive

**Drive** helps users solve proportional problems with distance and time.

Drive: hard problems

## Squirt

**Squirt** helps users explore and express proportional relationships.

Squirt: three containers: complex proportional relationships