This is an activity that students can do with a partner or small group. They are finding out which are prime and which are composite by organizing the factors of each product from 2-100, as well as 3 empty spaces for 3 numbers of their choice. In lower level classes I use the first page only, and in on-level classes I have them do all and study from the chart. It's a great way for them to review the concepts of prime, composite, factors and get organized.
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