The sad thing is that in practice, iPads are mostly used as substitutes for books. That's completely backwards. It reminds me how "multimedia CDs" were supposed to revolutionize teaching in the 90s. They ended up being picture books on a computer, with silly animations and sound effects on mouse hover added on top. Computers and tablets could be a great pedagogic tool for many things, like exploring maths concepts in…
Just strongly feel these days that trying to shoehorn a device built for content consumption into a creation and learning tool isn't the best idea.