This bundled lesson includes a PPT (saved as a PDF) for introducing analyzing and categorizing GCF and LCM word problems. In my classroom, I use CPS (clickers) and the students vote on which type {GCF or LCM} word problem is being shown. Then, we solve he 4 example problems.
At the end of the whole group lesson, there is a model example of the Formative Assessment categorizing activity.
During "work" time, your students will first categorize the (15) word problems into LCM or GCF. Then, the