You can use ANY bluetooth keyboard with your iPhone or iPad.
The 70 Best Apps For Teachers And Students - Edudemic. These are listed as itunes apps, but I'm sure a lot of them can be found for Android as well.
Science Project: How to Make a Lemon Clock #scienceforkids #scienceexperiments #homeschoolscience
Free printable Sesame Street coloring pages!
iPad Educational Apps
Reading apps. for Ipad
PDF to Word document is a fantastically simple site that allows you do do just what the url suggests: Convert PDF documents to fully editable Word documents.