Digital Learning Objects

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

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

Scale Matters helps users explore numberlines with a variety of scales.
Scale matters: tens
Scale matters: hundreds
Scale matters: simple units

The Array introduces users to the array model of multiplication.
The array

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 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 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 is a game involving addition and subtraction with place value.
Wishball: tens
Wishball: hundreds
Wishball challenge: tens
Wishball challenge: hundreds

Modeling Numbers helps users to explore numbers using a variety of representations.
Modeling Numbers: 3-digit numbers

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

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.