This is a "Three 3s in a row" strategy that is used for either revision or reading and formulating answers. There are different ways this can be used. The template itself can be used for other activities with other questions. You can google the strategy - it is a part of TPT strategies. Here is a short description - students initial the questions they feel confident they can answer first. The questions they are not confident answering will be initialed by their peers. They have to walk around and find out the answers. Then students formulate the answers and compare them with their peers' answers. It can be used as self assessment as well.