Number Learning Objects

Level 1

Cassowary Fractions.
Cassowary Fractions allows users to explore half and quarter in context (more info).
Cassowary fractions
Cassowary sanctuary Icon.
Number Line.
Number Line helps users to record how they solve addition and subtraction problems using a number line (more info).
Number Line
Number Trains.
Number Trains asks users to place numbers in order to form 'trains' (more info).
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 Icon.
Scale Matters.
Scale Matters helps users explore numberlines with a variety of scales (more info).
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 (more info).
The number partner
National Library of Virtual Manipulatives.
NLVM: Fraction manipulatives
Fraction pieces
Fractions: parts of a whole

Level 2

Dynamic Tools.
Dynamic Tools helps users explore fractions of shapes and grids (more info).
Shape fractions
Dynamic fractions
Fraction Fiddle.
Fraction Fiddle helps users explore problems involving fractions (more info).
Fraction fiddle: comparing unit fractions
Number Line.
Number Line helps users to record how they solve addition and subtraction problems using a number line (more info).
Number Line
Scale Matters.
Scale Matters helps users explore numberlines with a variety of scales (more info).
Scale matters: tens
Scale matters: hundreds
Scale matters: simple units Icon.
The Array.
The Array introduces users to the array model of multiplication (more info).
The array
The Difference Bar.
The Difference Bar helps users solve subraction problems by partitioning and comparing (more info).
The difference bar: make your own easy subtractions
The difference bar: generate easy subtractions
Difference bars Icon.
The Part Adder.
The Part Adder helps users add numbers by partitioning and combining (more info).
The part-adder: make your own easy sums
The part-adder: generate easy sums
The part-adder Icon.
The Take-Away Bar.
The Take-Away Bar helps users solve subraction problems by partitioning (more info).
The take-away bar: make your own easy subtractions
The take-away bar: generate easy subtractions
Take-away bars Icon.
Wishball.
Wishball is a game involving addition and subtraction with place value (more info).
Wishball: tens
Wishball: hundreds
Wishball challenge: tens
Wishball challenge: hundreds
National Library of Virtual Manipulatives.
NLVM: Fraction manipulatives
Fraction pieces
Fractions: visualising
Fractions: parts of a whole
National Library of Virtual Manipulatives.
NLVM: Number manipulatives
Numberline arithmetic
Numberline bars
Diffy

Level 3

Decimaster.
Decimaster requires users to represent fractions and decimals in various different ways (more info).
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 (more info).
Design a park
Design your own park
Park fractions Icon.
Divide It Up.
Divide It Up helps users explore grouping to solve division problems (more info).
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 (more info).
Fraction fiddle: tool
Fraction fiddle: matching cake fractions
Fraction fiddle: comparing non-unit 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 (more info).
Number Line
Pobble Arrays.
Pobble Arrays uses an array model to explore factors and multiples (more info).
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 (more info).
Scale matters: tenths
Scale matters: tens of thousands
Scale matters: hundredths
Scale matters: range of numbers Icon.
Squirt.
Squirt helps users explore and express proportional relationships (more info).
Squirt: two containers: level 1
Squirt: two containers level 2
Squirt: two containers Icon.
The Difference Bar.
The Difference Bar helps users solve subraction problems by partitioning and comparing (more info).
The difference bar: make your own hard subtractions
The difference bar: generate hard subtractions
Difference bars Icon.
The Multiplier.
The Multiplier helps users solve multiplication problems by partitioning and combining (more info).
The multiplier: make your own easy multiplications
The multiplier: generate easy multiplications
The multiplier Icon.
The Part Adder.
The Part Adder helps users add numbers by partitioning and combining (more info).
The part-adder: make your own hard sums
The part-adder: generate hard sums
The part-adder Icon.
The Take-away Bar.
The Take-Away Bar helps users solve subraction problems by partitioning (more info).
The take-away bar: make your own hard subtractions
The take-away bar: generate hard subtractions
Take-away bars Icon.
Wishball.
Wishball is a game involving addition and subtraction with place value (more info).
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
National Library of Virtual Manipulatives.
NLVM: Fraction manipulatives
Fraction pieces
Fractions: visualising
Fractions: naming
Fractions: parts of a whole
National Library of Virtual Manipulatives.
NLVM: Number manipulatives
Numberline arithmetic
Numberline bars
Diffy
Rectangle multiplication
Circle 99
Learn Alberta.
Learn Alberta: Exploring Number series (more info).
Exploring number patterns

Level 4

Arrays.
Arrays explores the array model for multiplication and division (more info).
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 (more info).
Design a school
Design your own school
Playground percentages Icon.
Design a neighbourhood
Design a city
Design a farm
Neighbourhood fractions Icon.
Drive.
Drive helps users solve proportional problems with distance and time (more info).
Drive: easy problems
Interger Cruncher.
Integer Cruncher introduces the addition and subtraction of positive and negative integers (more info).
Integer cruncher: addition
Integer cruncher: subtraction
Integer cruncher: addition and subtraction Icon.
Loans and Savings.
Loans and Savings helps users find the nett balance of a loan account and a savings account (more info).
Loans and Savings
Mix up.
Mix Up helps users find averages of percentages (more info).
Mix Up: equal sized
Mix Up: different sized
The Percentage Bar.
The Percentage Bar helps users find percentages of numbers (more info).
The Percentage Bar
Scale Matters.
Scale Matters helps users explore numberlines with a variety of scales (more info).
Scale matters: negatives
Scale matters: range of numbers Icon.
School Canteen.
School Canteen provides a context for estimation and multiplication with decimals (more info).
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 (more info).
Squirt: three containers: level 1
Squirt: three containers: level 2
Squirt: three containers Icon.
Squirt: three containers: complex proportional relationships
The Divider.
The Divider helps users solve division problems by partitioning (more info).
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 (more info).
The Fraction Bar
The Fraction of Fractions Tool.
The Fractions of Fractions Tool helps users find fractions of fractions using an array model (more info).
The Fractions of Fractions Tool
The Multiplier.
The Multiplier helps users solve multiplication problems by partitioning and combining (more info).
The multiplier: make your own hard multiplications
The multiplier: generate hard multiplications
The multiplier Icon.
National Library of Virtual Manipulatives.
NLVM: Fraction manipulatives
Fraction pieces
Fractions: equivalent
Fractions: comparing
Fractions: rectangle multiplication
National Library of Virtual Manipulatives.
NLVM: Number manipulatives
Numberline bars
Diffy
Rectangle division
Rectangle multiplication
Rectangle multiplication: integers
Sieve of Eratosthenes
Circle 99
Circle 0
Circle 3
Pascal's triangle
Learn Alberta.
Learn Alberta: Exploring Number series (more info).
Exploring integers
Exploring linear equations
Learn Alberta.
Learn Alberta: Exploring Fractions and Percentages series (more info).
Exploring fractions

Level 5

Biscuit Factory.
Biscuit Factory explores ratio relationships in the context of gears (more info).
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 (more info).
Drive: hard problems
Squirt.
Squirt helps users explore and express proportional relationships (more info).
Squirt: three containers: complex proportional relationships
National Library of Virtual Manipulatives.
NLVM: Number manipulatives
Sieve of Eratosthenes
Pascal's triangle
Learn Alberta.
Learn Alberta: Exploring Number series (more info).
Exploring order of operations
Exploring powers of 10
Learn Alberta.
Learn Alberta: Exploring Fractions and Percentages series (more info).
Exploring combined percentages
Learn Alberta.
Learn Alberta: Exploring Measurement series (more info).
Exploring ratios and proportions
Exploring square roots