Six great iPad apps teachers can use to annotate and edit PDF documents  | Creative teaching and learning | Scoop.it
From www.educatorstechnology.com - February 7, 2018 11:42 PM

"Annotating is a key reading skill that enables you to actively and critically engage with text. Besides using it to comment on and capture your thoughts as you read, annotation can also be used as an instructional tool with your students ..."