This self-checking activity is designed to help students practice factoring trinomials of the form (ax² + bx + c, a > 1) using Google Sheets. The sheet is formatted so that when a student types in the answer, the cell will turn green when correct. It is also formatted so that it does not matter the order students type in the two binomials. The activity consists of 10 factoring trinomial problems, all of which have a > 1 and no GCF. If a trinomial cannot be factored, the student should t