Practice that feels like play. Get the K12 app that teachers use. IXL’s free tablet app is here to make math and language arts practice fun and engaging for kids everywhere. Boasting all the functionality of the IXL website as well as a host of unique tablet-only features, it’s practice that feels like play. Download the teacher-approved K-12 app for free on iPad, Android and Kindle.
You can order a box of books from this site for $12.99. They will range from toddler to young adult books. Each box contains approximately 150 books (give or take). You can also order more age/grade specific books, but it costs a bit more. There is now an advisory on their site that due to high demand, boxes may not ship for up to 5 weeks, but for $12.99, that's a small price to pay :)