Digital Learning Objects
Area Concept
Area Concept requires users to estimate and then calculate the area of rectangles and compound shapes.
Finding the area of rectangles
Finding the area of compound shapes
Area counting with Coco 
Inside Cubes
Inside Cubes explores the cubic metre, including how many cubic centimetres, leading to the formula for volume.
How big is a cubic metre?
Inside a cubic metre
What's in a cube? level 1
What's in a cube? level 2
Working it out!