This document discusses using mobile apps to teach various math concepts for middle years students based on the Australian National Curriculum. It provides examples of apps that can be used to teach topics like number and place value, fractions, measurement, statistics, and more. Suggested apps include Number Line, Fraction Factory, Motion Math, Maps, and ShowMe. The document encourages teachers to have students evaluate apps and create their own math-related content using apps like Etch-A-Sketch or Comic Touch.